diff --git a/.github/workflows/DNS.yml b/.github/workflows/DNS.yml
index be44c09b..615e5d8b 100644
--- a/.github/workflows/DNS.yml
+++ b/.github/workflows/DNS.yml
@@ -65,9 +65,9 @@ jobs:
       TokenName4: ${{ secrets.TokenName4}}
       TokenName5: ${{ secrets.TokenName5}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - name: Set env file
       run: |
         cd ../acmetest
@@ -113,27 +113,27 @@ jobs:
       TokenName4: ${{ secrets.TokenName4}}
       TokenName5: ${{ secrets.TokenName5}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install tools
       run:  brew install socat
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - name: Run acmetest
       run: |
         if [ "${{ secrets.TokenName1}}" ] ; then
-          export ${{ secrets.TokenName1}}=${{ secrets.TokenValue1}}
+          export ${{ secrets.TokenName1}}="${{ secrets.TokenValue1}}"
         fi
         if [ "${{ secrets.TokenName2}}" ] ; then
-          export ${{ secrets.TokenName2}}=${{ secrets.TokenValue2}}
+          export ${{ secrets.TokenName2}}="${{ secrets.TokenValue2}}"
         fi
         if [ "${{ secrets.TokenName3}}" ] ; then
-          export ${{ secrets.TokenName3}}=${{ secrets.TokenValue3}}
+          export ${{ secrets.TokenName3}}="${{ secrets.TokenValue3}}"
         fi
         if [ "${{ secrets.TokenName4}}" ] ; then
-          export ${{ secrets.TokenName4}}=${{ secrets.TokenValue4}}
+          export ${{ secrets.TokenName4}}="${{ secrets.TokenValue4}}"
         fi
         if [ "${{ secrets.TokenName5}}" ] ; then
-          export ${{ secrets.TokenName5}}=${{ secrets.TokenValue5}}
+          export ${{ secrets.TokenName5}}="${{ secrets.TokenValue5}}"
         fi
         cd ../acmetest
         ./letest.sh
@@ -164,7 +164,7 @@ jobs:
     - name: Set git to use LF
       run: |
           git config --global core.autocrlf false
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install cygwin base packages with chocolatey
       run: |
           choco config get cacheLocation
@@ -172,31 +172,31 @@ jobs:
       shell: cmd
     - name: Install cygwin additional packages
       run: |
-          C:\tools\cygwin\cygwinsetup.exe -qgnNdO -R C:/tools/cygwin -s http://mirrors.kernel.org/sourceware/cygwin/ -P socat,curl,cron,unzip,git
+          C:\tools\cygwin\cygwinsetup.exe -qgnNdO -R C:/tools/cygwin -s https://mirrors.kernel.org/sourceware/cygwin/ -P socat,curl,cron,unzip,git
       shell: cmd
     - name: Set ENV
       shell: cmd
       run: |
           echo PATH=C:\tools\cygwin\bin;C:\tools\cygwin\usr\bin >> %GITHUB_ENV%
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - name: Run acmetest
       shell: bash
       run: |
         if [ "${{ secrets.TokenName1}}" ] ; then
-          export ${{ secrets.TokenName1}}=${{ secrets.TokenValue1}}
+          export ${{ secrets.TokenName1}}="${{ secrets.TokenValue1}}"
         fi
         if [ "${{ secrets.TokenName2}}" ] ; then
-          export ${{ secrets.TokenName2}}=${{ secrets.TokenValue2}}
+          export ${{ secrets.TokenName2}}="${{ secrets.TokenValue2}}"
         fi
         if [ "${{ secrets.TokenName3}}" ] ; then
-          export ${{ secrets.TokenName3}}=${{ secrets.TokenValue3}}
+          export ${{ secrets.TokenName3}}="${{ secrets.TokenValue3}}"
         fi
         if [ "${{ secrets.TokenName4}}" ] ; then
-          export ${{ secrets.TokenName4}}=${{ secrets.TokenValue4}}
+          export ${{ secrets.TokenName4}}="${{ secrets.TokenValue4}}"
         fi
         if [ "${{ secrets.TokenName5}}" ] ; then
-          export ${{ secrets.TokenName5}}=${{ secrets.TokenValue5}}
+          export ${{ secrets.TokenName5}}="${{ secrets.TokenValue5}}"
         fi
         cd ../acmetest
         ./letest.sh
@@ -223,9 +223,9 @@ jobs:
       TokenName4: ${{ secrets.TokenName4}}
       TokenName5: ${{ secrets.TokenName5}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/freebsd-vm@v0
       with:
         envs: 'TEST_DNS TestingDomain TEST_DNS_NO_WILDCARD TEST_DNS_NO_SUBDOMAIN TEST_DNS_SLEEP CASE TEST_LOCAL DEBUG http_proxy https_proxy TokenName1 TokenName2 TokenName3 TokenName4 TokenName5 ${{ secrets.TokenName1}} ${{ secrets.TokenName2}} ${{ secrets.TokenName3}} ${{ secrets.TokenName4}} ${{ secrets.TokenName5}}'
@@ -234,19 +234,19 @@ jobs:
         copyback: false
         run: |
           if [ "${{ secrets.TokenName1}}" ] ; then
-            export ${{ secrets.TokenName1}}=${{ secrets.TokenValue1}}
+            export ${{ secrets.TokenName1}}="${{ secrets.TokenValue1}}"
           fi
           if [ "${{ secrets.TokenName2}}" ] ; then
-            export ${{ secrets.TokenName2}}=${{ secrets.TokenValue2}}
+            export ${{ secrets.TokenName2}}="${{ secrets.TokenValue2}}"
           fi
           if [ "${{ secrets.TokenName3}}" ] ; then
-            export ${{ secrets.TokenName3}}=${{ secrets.TokenValue3}}
+            export ${{ secrets.TokenName3}}="${{ secrets.TokenValue3}}"
           fi
           if [ "${{ secrets.TokenName4}}" ] ; then
-            export ${{ secrets.TokenName4}}=${{ secrets.TokenValue4}}
+            export ${{ secrets.TokenName4}}="${{ secrets.TokenValue4}}"
           fi
           if [ "${{ secrets.TokenName5}}" ] ; then
-            export ${{ secrets.TokenName5}}=${{ secrets.TokenValue5}}
+            export ${{ secrets.TokenName5}}="${{ secrets.TokenValue5}}"
           fi
           cd ../acmetest
           ./letest.sh
@@ -274,9 +274,9 @@ jobs:
       TokenName4: ${{ secrets.TokenName4}}
       TokenName5: ${{ secrets.TokenName5}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/openbsd-vm@v0
       with:
         envs: 'TEST_DNS TestingDomain TEST_DNS_NO_WILDCARD TEST_DNS_NO_SUBDOMAIN TEST_DNS_SLEEP CASE TEST_LOCAL DEBUG http_proxy https_proxy TokenName1 TokenName2 TokenName3 TokenName4 TokenName5 ${{ secrets.TokenName1}} ${{ secrets.TokenName2}} ${{ secrets.TokenName3}} ${{ secrets.TokenName4}} ${{ secrets.TokenName5}}'
@@ -285,19 +285,19 @@ jobs:
         copyback: false
         run: |
           if [ "${{ secrets.TokenName1}}" ] ; then
-            export ${{ secrets.TokenName1}}=${{ secrets.TokenValue1}}
+            export ${{ secrets.TokenName1}}="${{ secrets.TokenValue1}}"
           fi
           if [ "${{ secrets.TokenName2}}" ] ; then
-            export ${{ secrets.TokenName2}}=${{ secrets.TokenValue2}}
+            export ${{ secrets.TokenName2}}="${{ secrets.TokenValue2}}"
           fi
           if [ "${{ secrets.TokenName3}}" ] ; then
-            export ${{ secrets.TokenName3}}=${{ secrets.TokenValue3}}
+            export ${{ secrets.TokenName3}}="${{ secrets.TokenValue3}}"
           fi
           if [ "${{ secrets.TokenName4}}" ] ; then
-            export ${{ secrets.TokenName4}}=${{ secrets.TokenValue4}}
+            export ${{ secrets.TokenName4}}="${{ secrets.TokenValue4}}"
           fi
           if [ "${{ secrets.TokenName5}}" ] ; then
-            export ${{ secrets.TokenName5}}=${{ secrets.TokenValue5}}
+            export ${{ secrets.TokenName5}}="${{ secrets.TokenValue5}}"
           fi
           cd ../acmetest
           ./letest.sh
@@ -325,9 +325,9 @@ jobs:
       TokenName4: ${{ secrets.TokenName4}}
       TokenName5: ${{ secrets.TokenName5}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/netbsd-vm@v0
       with:
         envs: 'TEST_DNS TestingDomain TEST_DNS_NO_WILDCARD TEST_DNS_NO_SUBDOMAIN TEST_DNS_SLEEP CASE TEST_LOCAL DEBUG http_proxy https_proxy TokenName1 TokenName2 TokenName3 TokenName4 TokenName5 ${{ secrets.TokenName1}} ${{ secrets.TokenName2}} ${{ secrets.TokenName3}} ${{ secrets.TokenName4}} ${{ secrets.TokenName5}}'
@@ -337,19 +337,19 @@ jobs:
         copyback: false
         run: |
           if [ "${{ secrets.TokenName1}}" ] ; then
-            export ${{ secrets.TokenName1}}=${{ secrets.TokenValue1}}
+            export ${{ secrets.TokenName1}}="${{ secrets.TokenValue1}}"
           fi
           if [ "${{ secrets.TokenName2}}" ] ; then
-            export ${{ secrets.TokenName2}}=${{ secrets.TokenValue2}}
+            export ${{ secrets.TokenName2}}="${{ secrets.TokenValue2}}"
           fi
           if [ "${{ secrets.TokenName3}}" ] ; then
-            export ${{ secrets.TokenName3}}=${{ secrets.TokenValue3}}
+            export ${{ secrets.TokenName3}}="${{ secrets.TokenValue3}}"
           fi
           if [ "${{ secrets.TokenName4}}" ] ; then
-            export ${{ secrets.TokenName4}}=${{ secrets.TokenValue4}}
+            export ${{ secrets.TokenName4}}="${{ secrets.TokenValue4}}"
           fi
           if [ "${{ secrets.TokenName5}}" ] ; then
-            export ${{ secrets.TokenName5}}=${{ secrets.TokenValue5}}
+            export ${{ secrets.TokenName5}}="${{ secrets.TokenValue5}}"
           fi
           cd ../acmetest
           ./letest.sh
@@ -377,9 +377,9 @@ jobs:
       TokenName4: ${{ secrets.TokenName4}}
       TokenName5: ${{ secrets.TokenName5}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/dragonflybsd-vm@v0
       with:
         envs: 'TEST_DNS TestingDomain TEST_DNS_NO_WILDCARD TEST_DNS_NO_SUBDOMAIN TEST_DNS_SLEEP CASE TEST_LOCAL DEBUG http_proxy https_proxy TokenName1 TokenName2 TokenName3 TokenName4 TokenName5 ${{ secrets.TokenName1}} ${{ secrets.TokenName2}} ${{ secrets.TokenName3}} ${{ secrets.TokenName4}} ${{ secrets.TokenName5}}'
@@ -389,19 +389,19 @@ jobs:
         copyback: false
         run: |
           if [ "${{ secrets.TokenName1}}" ] ; then
-            export ${{ secrets.TokenName1}}=${{ secrets.TokenValue1}}
+            export ${{ secrets.TokenName1}}="${{ secrets.TokenValue1}}"
           fi
           if [ "${{ secrets.TokenName2}}" ] ; then
-            export ${{ secrets.TokenName2}}=${{ secrets.TokenValue2}}
+            export ${{ secrets.TokenName2}}="${{ secrets.TokenValue2}}"
           fi
           if [ "${{ secrets.TokenName3}}" ] ; then
-            export ${{ secrets.TokenName3}}=${{ secrets.TokenValue3}}
+            export ${{ secrets.TokenName3}}="${{ secrets.TokenValue3}}"
           fi
           if [ "${{ secrets.TokenName4}}" ] ; then
-            export ${{ secrets.TokenName4}}=${{ secrets.TokenValue4}}
+            export ${{ secrets.TokenName4}}="${{ secrets.TokenValue4}}"
           fi
           if [ "${{ secrets.TokenName5}}" ] ; then
-            export ${{ secrets.TokenName5}}=${{ secrets.TokenValue5}}
+            export ${{ secrets.TokenName5}}="${{ secrets.TokenValue5}}"
           fi
           cd ../acmetest
           ./letest.sh
@@ -433,9 +433,9 @@ jobs:
       TokenName4: ${{ secrets.TokenName4}}
       TokenName5: ${{ secrets.TokenName5}}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/solaris-vm@v0
       with:
         envs: 'TEST_DNS TestingDomain TEST_DNS_NO_WILDCARD TEST_DNS_NO_SUBDOMAIN TEST_DNS_SLEEP CASE TEST_LOCAL DEBUG http_proxy https_proxy HTTPS_INSECURE TokenName1 TokenName2 TokenName3 TokenName4 TokenName5 ${{ secrets.TokenName1}} ${{ secrets.TokenName2}} ${{ secrets.TokenName3}} ${{ secrets.TokenName4}} ${{ secrets.TokenName5}}'
@@ -445,19 +445,19 @@ jobs:
           pkg set-mediator -v -I default@1.1 openssl
           export PATH=/usr/gnu/bin:$PATH
           if [ "${{ secrets.TokenName1}}" ] ; then
-            export ${{ secrets.TokenName1}}=${{ secrets.TokenValue1}}
+            export ${{ secrets.TokenName1}}="${{ secrets.TokenValue1}}"
           fi
           if [ "${{ secrets.TokenName2}}" ] ; then
-            export ${{ secrets.TokenName2}}=${{ secrets.TokenValue2}}
+            export ${{ secrets.TokenName2}}="${{ secrets.TokenValue2}}"
           fi
           if [ "${{ secrets.TokenName3}}" ] ; then
-            export ${{ secrets.TokenName3}}=${{ secrets.TokenValue3}}
+            export ${{ secrets.TokenName3}}="${{ secrets.TokenValue3}}"
           fi
           if [ "${{ secrets.TokenName4}}" ] ; then
-            export ${{ secrets.TokenName4}}=${{ secrets.TokenValue4}}
+            export ${{ secrets.TokenName4}}="${{ secrets.TokenValue4}}"
           fi
           if [ "${{ secrets.TokenName5}}" ] ; then
-            export ${{ secrets.TokenName5}}=${{ secrets.TokenValue5}}
+            export ${{ secrets.TokenName5}}="${{ secrets.TokenValue5}}"
           fi
           cd ../acmetest
           ./letest.sh
diff --git a/.github/workflows/DragonFlyBSD.yml b/.github/workflows/DragonFlyBSD.yml
index 8581db47..6daa9be4 100644
--- a/.github/workflows/DragonFlyBSD.yml
+++ b/.github/workflows/DragonFlyBSD.yml
@@ -45,8 +45,8 @@ jobs:
       CA_EMAIL: ${{ matrix.CA_EMAIL }}
       TEST_PREFERRED_CHAIN: ${{ matrix.TEST_PREFERRED_CHAIN }}
     steps:
-    - uses: actions/checkout@v2
-    - uses: vmactions/cf-tunnel@v0.0.3
+    - uses: actions/checkout@v3
+    - uses: vmactions/cf-tunnel@v0
       id: tunnel
       with:
         protocol: http
@@ -54,7 +54,7 @@ jobs:
     - name: Set envs
       run: echo "TestingDomain=${{steps.tunnel.outputs.server}}" >> $GITHUB_ENV
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/dragonflybsd-vm@v0
       with:
         envs: 'TEST_LOCAL TestingDomain TEST_ACME_Server CA_ECDSA CA CA_EMAIL TEST_PREFERRED_CHAIN'
diff --git a/.github/workflows/FreeBSD.yml b/.github/workflows/FreeBSD.yml
index 795ddc75..0fa55fd4 100644
--- a/.github/workflows/FreeBSD.yml
+++ b/.github/workflows/FreeBSD.yml
@@ -51,8 +51,8 @@ jobs:
       TEST_PREFERRED_CHAIN: ${{ matrix.TEST_PREFERRED_CHAIN }}
       ACME_USE_WGET: ${{ matrix.ACME_USE_WGET }}
     steps:
-    - uses: actions/checkout@v2
-    - uses: vmactions/cf-tunnel@v0.0.3
+    - uses: actions/checkout@v3
+    - uses: vmactions/cf-tunnel@v0
       id: tunnel
       with:
         protocol: http
@@ -60,7 +60,7 @@ jobs:
     - name: Set envs
       run: echo "TestingDomain=${{steps.tunnel.outputs.server}}" >> $GITHUB_ENV
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/freebsd-vm@v0
       with:
         envs: 'TEST_LOCAL TestingDomain TEST_ACME_Server CA_ECDSA CA CA_EMAIL TEST_PREFERRED_CHAIN ACME_USE_WGET'
diff --git a/.github/workflows/Linux.yml b/.github/workflows/Linux.yml
index 238b3016..156fa5df 100644
--- a/.github/workflows/Linux.yml
+++ b/.github/workflows/Linux.yml
@@ -33,11 +33,11 @@ jobs:
       TEST_PREFERRED_CHAIN: (STAGING) Pretend Pear X1
       TEST_ACME_Server: "LetsEncrypt.org_test"
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Clone acmetest
       run: |
           cd .. \
-          && git clone https://github.com/acmesh-official/acmetest.git \
+          && git clone --depth=1 https://github.com/acmesh-official/acmetest.git \
           && cp -r acme.sh acmetest/
     - name: Run acmetest
       run: |
diff --git a/.github/workflows/MacOS.yml b/.github/workflows/MacOS.yml
index 69fb09f7..c1f29769 100644
--- a/.github/workflows/MacOS.yml
+++ b/.github/workflows/MacOS.yml
@@ -44,13 +44,13 @@ jobs:
       CA_EMAIL: ${{ matrix.CA_EMAIL }}
       TEST_PREFERRED_CHAIN: ${{ matrix.TEST_PREFERRED_CHAIN }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install tools
       run:  brew install socat
     - name: Clone acmetest
       run: |
           cd .. \
-          && git clone https://github.com/acmesh-official/acmetest.git \
+          && git clone --depth=1 https://github.com/acmesh-official/acmetest.git \
           && cp -r acme.sh acmetest/
     - name: Run acmetest
       run: |
diff --git a/.github/workflows/NetBSD.yml b/.github/workflows/NetBSD.yml
index 10952778..25872c42 100644
--- a/.github/workflows/NetBSD.yml
+++ b/.github/workflows/NetBSD.yml
@@ -45,8 +45,8 @@ jobs:
       CA_EMAIL: ${{ matrix.CA_EMAIL }}
       TEST_PREFERRED_CHAIN: ${{ matrix.TEST_PREFERRED_CHAIN }}
     steps:
-    - uses: actions/checkout@v2
-    - uses: vmactions/cf-tunnel@v0.0.3
+    - uses: actions/checkout@v3
+    - uses: vmactions/cf-tunnel@v0
       id: tunnel
       with:
         protocol: http
@@ -54,14 +54,13 @@ jobs:
     - name: Set envs
       run: echo "TestingDomain=${{steps.tunnel.outputs.server}}" >> $GITHUB_ENV
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/netbsd-vm@v0
       with:
         envs: 'TEST_LOCAL TestingDomain TEST_ACME_Server CA_ECDSA CA CA_EMAIL TEST_PREFERRED_CHAIN'
         nat: |
           "8080": "80"
         prepare: |
-          export PKG_PATH="http://cdn.NetBSD.org/pub/pkgsrc/packages/NetBSD/$(uname -p)/$(uname -r|cut -f '1 2' -d.)/All/"
           pkg_add curl socat
         usesh: true
         copyback: false
diff --git a/.github/workflows/OpenBSD.yml b/.github/workflows/OpenBSD.yml
index 9c21daa1..7746645a 100644
--- a/.github/workflows/OpenBSD.yml
+++ b/.github/workflows/OpenBSD.yml
@@ -51,8 +51,8 @@ jobs:
       TEST_PREFERRED_CHAIN: ${{ matrix.TEST_PREFERRED_CHAIN }}
       ACME_USE_WGET: ${{ matrix.ACME_USE_WGET }}
     steps:
-    - uses: actions/checkout@v2
-    - uses: vmactions/cf-tunnel@v0.0.3
+    - uses: actions/checkout@v3
+    - uses: vmactions/cf-tunnel@v0
       id: tunnel
       with:
         protocol: http
@@ -60,7 +60,7 @@ jobs:
     - name: Set envs
       run: echo "TestingDomain=${{steps.tunnel.outputs.server}}" >> $GITHUB_ENV
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/openbsd-vm@v0
       with:
         envs: 'TEST_LOCAL TestingDomain TEST_ACME_Server CA_ECDSA CA CA_EMAIL TEST_PREFERRED_CHAIN ACME_USE_WGET'
diff --git a/.github/workflows/PebbleStrict.yml b/.github/workflows/PebbleStrict.yml
index 7417b8b0..9f3a98ce 100644
--- a/.github/workflows/PebbleStrict.yml
+++ b/.github/workflows/PebbleStrict.yml
@@ -33,7 +33,7 @@ jobs:
       TEST_CA: "Pebble Intermediate CA"
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install tools
       run: sudo apt-get install -y socat
     - name: Run Pebble
@@ -41,7 +41,7 @@ jobs:
     - name: Set up Pebble
       run: curl --request POST --data '{"ip":"10.30.50.1"}' http://localhost:8055/set-default-ipv4
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - name: Run acmetest
       run: cd ../acmetest && ./letest.sh
 
@@ -58,7 +58,7 @@ jobs:
       TEST_IPCERT: 1
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install tools
       run: sudo apt-get install -y socat
     - name: Run Pebble
@@ -67,6 +67,6 @@ jobs:
         -e PEBBLE_VA_ALWAYS_VALID=1 \
         -p 14000:14000 -p 15000:15000   letsencrypt/pebble:latest pebble -config /test/config/pebble-config.json -strict
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - name: Run acmetest
       run: cd ../acmetest && ./letest.sh
\ No newline at end of file
diff --git a/.github/workflows/Solaris.yml b/.github/workflows/Solaris.yml
index 3a86d3dc..34d31a59 100644
--- a/.github/workflows/Solaris.yml
+++ b/.github/workflows/Solaris.yml
@@ -51,8 +51,8 @@ jobs:
       TEST_PREFERRED_CHAIN: ${{ matrix.TEST_PREFERRED_CHAIN }}
       ACME_USE_WGET: ${{ matrix.ACME_USE_WGET }}
     steps:
-    - uses: actions/checkout@v2
-    - uses: vmactions/cf-tunnel@v0.0.3
+    - uses: actions/checkout@v3
+    - uses: vmactions/cf-tunnel@v0
       id: tunnel
       with:
         protocol: http
@@ -60,7 +60,7 @@ jobs:
     - name: Set envs
       run: echo "TestingDomain=${{steps.tunnel.outputs.server}}" >> $GITHUB_ENV
     - name: Clone acmetest
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - uses: vmactions/solaris-vm@v0
       with:
         envs: 'TEST_LOCAL TestingDomain TEST_ACME_Server CA_ECDSA CA CA_EMAIL TEST_PREFERRED_CHAIN ACME_USE_WGET'
diff --git a/.github/workflows/Ubuntu.yml b/.github/workflows/Ubuntu.yml
index 664ba92c..4bf2ba29 100644
--- a/.github/workflows/Ubuntu.yml
+++ b/.github/workflows/Ubuntu.yml
@@ -70,7 +70,7 @@ jobs:
       TestingDomain: ${{ matrix.TestingDomain }}
       ACME_USE_WGET: ${{ matrix.ACME_USE_WGET }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install tools
       run: sudo apt-get install -y socat wget
     - name: Start StepCA
@@ -80,15 +80,20 @@ jobs:
             -p 9000:9000 \
             -e "DOCKER_STEPCA_INIT_NAME=Smallstep" \
             -e "DOCKER_STEPCA_INIT_DNS_NAMES=localhost,$(hostname -f)" \
+            -e "DOCKER_STEPCA_INIT_REMOTE_MANAGEMENT=true" \
+            -e "DOCKER_STEPCA_INIT_PASSWORD=test" \
             --name stepca \
-            smallstep/step-ca \
-            && sleep 5 && docker exec  stepca step ca provisioner add acme --type ACME \
+            smallstep/step-ca:0.23.1
+
+            sleep 5
+            docker exec  stepca bash -c "echo test >test" \
+            && docker exec stepca step ca provisioner add acme --type ACME --admin-subject  step --admin-password-file=/home/step/test \
             && docker exec  stepca kill -1 1 \
             && docker exec  stepca cat /home/step/certs/root_ca.crt | sudo bash -c "cat - >>/etc/ssl/certs/ca-certificates.crt"
     - name: Clone acmetest
       run: |
           cd .. \
-          && git clone https://github.com/acmesh-official/acmetest.git \
+          && git clone --depth=1 https://github.com/acmesh-official/acmetest.git \
           && cp -r acme.sh acmetest/
     - name: Run acmetest
       run: |
diff --git a/.github/workflows/Windows.yml b/.github/workflows/Windows.yml
index 3b7bf2eb..c02e2f77 100644
--- a/.github/workflows/Windows.yml
+++ b/.github/workflows/Windows.yml
@@ -49,7 +49,7 @@ jobs:
     - name: Set git to use LF
       run: |
           git config --global core.autocrlf false
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install cygwin base packages with chocolatey
       run: |
           choco config get cacheLocation
@@ -57,7 +57,7 @@ jobs:
       shell: cmd
     - name: Install cygwin additional packages
       run: |
-          C:\tools\cygwin\cygwinsetup.exe -qgnNdO -R C:/tools/cygwin -s http://mirrors.kernel.org/sourceware/cygwin/ -P socat,curl,cron,unzip,git,xxd
+          C:\tools\cygwin\cygwinsetup.exe -qgnNdO -R C:/tools/cygwin -s https://mirrors.kernel.org/sourceware/cygwin/ -P socat,curl,cron,unzip,git,xxd
       shell: cmd
     - name: Set ENV
       shell: cmd
@@ -69,7 +69,7 @@ jobs:
           echo "PATH=%PATH%"
     - name: Clone acmetest
       shell: cmd
-      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+      run: cd .. && git clone --depth=1 https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
     - name: Run acmetest
       shell: cmd
       run: cd ../acmetest && bash.exe -c ./letest.sh
diff --git a/.github/workflows/dockerhub.yml b/.github/workflows/dockerhub.yml
index 4d9f34b3..48c44429 100644
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@@ -28,9 +28,9 @@ jobs:
         id: step_one
         run: |
           if [ "$DOCKER_PASSWORD" ] ; then
-            echo "::set-output name=hasToken::true"
+            echo "hasToken=true" >>$GITHUB_OUTPUT
           else
-            echo "::set-output name=hasToken::false"
+            echo "hasToken=false" >>$GITHUB_OUTPUT
           fi
       - name: Check the value
         run: echo ${{ steps.step_one.outputs.hasToken }}
@@ -41,11 +41,11 @@ jobs:
     if: "contains(needs.CheckToken.outputs.hasToken, 'true')"
     steps:
       - name: checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
       - name: login to docker hub
         run: |
           echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index d628ea93..a5a08bbf 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -22,16 +22,16 @@ jobs:
   ShellCheck:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install Shellcheck
       run: sudo apt-get install -y shellcheck
     - name: DoShellcheck
-      run: shellcheck -V  && shellcheck -e SC2181 **/*.sh && echo "shellcheck OK"
+      run: shellcheck -V  && shellcheck -e SC2181 -e SC2089 **/*.sh && echo "shellcheck OK"
 
   shfmt:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Install shfmt
       run: curl -sSL https://github.com/mvdan/sh/releases/download/v3.1.2/shfmt_v3.1.2_linux_amd64 -o ~/shfmt && chmod +x ~/shfmt
     - name: shfmt
diff --git a/Dockerfile b/Dockerfile
index 049649f6..2ad50e6a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15
+FROM alpine:3.17
 
 RUN apk --no-cache add -f \
   openssl \
@@ -12,7 +12,8 @@ RUN apk --no-cache add -f \
   oath-toolkit-oathtool \
   tar \
   libidn \
-  jq
+  jq \
+  cronie
 
 ENV LE_CONFIG_HOME /acme.sh
 
@@ -25,7 +26,7 @@ COPY ./ /install_acme.sh/
 RUN cd /install_acme.sh && ([ -f /install_acme.sh/acme.sh ] && /install_acme.sh/acme.sh --install || curl https://get.acme.sh | sh) && rm -rf /install_acme.sh/
 
 
-RUN ln -s  /root/.acme.sh/acme.sh  /usr/local/bin/acme.sh && crontab -l | grep acme.sh | sed 's#> /dev/null##' | crontab -
+RUN ln -s /root/.acme.sh/acme.sh /usr/local/bin/acme.sh && crontab -l | grep acme.sh | sed 's#> /dev/null#> /proc/1/fd/1 2>/proc/1/fd/2#' | crontab -
 
 RUN for verb in help \
   version \
@@ -64,12 +65,10 @@ RUN for verb in help \
 
 RUN printf "%b" '#!'"/usr/bin/env sh\n \
 if [ \"\$1\" = \"daemon\" ];  then \n \
- trap \"echo stop && killall crond && exit 0\" SIGTERM SIGINT \n \
- crond && sleep infinity &\n \
- wait \n \
+ exec crond -n -s -m off \n \
 else \n \
  exec -- \"\$@\"\n \
-fi" >/entry.sh && chmod +x /entry.sh
+fi\n" >/entry.sh && chmod +x /entry.sh
 
 VOLUME /acme.sh
 
diff --git a/README.md b/README.md
index 30e6e554..73ff3321 100644
--- a/README.md
+++ b/README.md
@@ -51,14 +51,12 @@ Twitter: [@neilpangxa](https://twitter.com/neilpangxa)
 - [ruby-china.org](https://ruby-china.org/topics/31983)
 - [Proxmox](https://pve.proxmox.com/wiki/Certificate_Management)
 - [pfsense](https://github.com/pfsense/FreeBSD-ports/pull/89)
-- [webfaction](https://community.webfaction.com/questions/19988/using-letsencrypt)
 - [Loadbalancer.org](https://www.loadbalancer.org/blog/loadbalancer-org-with-lets-encrypt-quick-and-dirty)
 - [discourse.org](https://meta.discourse.org/t/setting-up-lets-encrypt/40709)
 - [Centminmod](https://centminmod.com/letsencrypt-acmetool-https.html)
 - [splynx](https://forum.splynx.com/t/free-ssl-cert-for-splynx-lets-encrypt/297)
-- [archlinux](https://www.archlinux.org/packages/community/any/acme.sh)
 - [opnsense.org](https://github.com/opnsense/plugins/tree/master/security/acme-client/src/opnsense/scripts/OPNsense/AcmeClient)
-- [CentOS Web Panel](http://centos-webpanel.com/)
+- [CentOS Web Panel](https://control-webpanel.com)
 - [lnmp.org](https://lnmp.org/)
 - [more...](https://github.com/acmesh-official/acme.sh/wiki/Blogs-and-tutorials)
 
@@ -361,10 +359,6 @@ Ok, it's done.
 
 # 10. Issue ECC certificates
 
-`Let's Encrypt` can now issue **ECDSA** certificates.
-
-And we support them too!
-
 Just set the `keylength` parameter with a prefix `ec-`.
 
 For example:
@@ -385,10 +379,12 @@ Please look at the `keylength` parameter above.
 
 Valid values are:
 
-1. **ec-256 (prime256v1, "ECDSA P-256")**
+1. **ec-256 (prime256v1, "ECDSA P-256", which is the default key type)**
 2. **ec-384 (secp384r1,  "ECDSA P-384")**
 3. **ec-521 (secp521r1,  "ECDSA P-521", which is not supported by Let's Encrypt yet.)**
-
+4. **2048   (RSA2048)**
+5. **3072   (RSA3072)**
+6. **4096   (RSA4096)**
 
 
 # 11. Issue Wildcard certificates
diff --git a/acme.sh b/acme.sh
index 1ee76307..633eb9fa 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
-VER=3.0.5
+VER=3.0.6
 
 PROJECT_NAME="acme.sh"
 
@@ -53,8 +53,8 @@ CA_SERVERS="$CA_ZEROSSL,$CA_LETSENCRYPT_V2,$CA_LETSENCRYPT_V2_TEST,$CA_BUYPASS,$
 
 DEFAULT_USER_AGENT="$PROJECT_NAME/$VER ($PROJECT)"
 
-DEFAULT_ACCOUNT_KEY_LENGTH=2048
-DEFAULT_DOMAIN_KEY_LENGTH=2048
+DEFAULT_ACCOUNT_KEY_LENGTH=ec-256
+DEFAULT_DOMAIN_KEY_LENGTH=ec-256
 
 DEFAULT_OPENSSL_BIN="openssl"
 
@@ -1637,7 +1637,7 @@ _stat() {
 #keyfile
 _isRSA() {
   keyfile=$1
-  if grep "BEGIN RSA PRIVATE KEY" "$keyfile" >/dev/null 2>&1 || ${ACME_OPENSSL_BIN:-openssl} rsa -in "$keyfile" -noout -text | grep "^publicExponent:" >/dev/null 2>&1; then
+  if grep "BEGIN RSA PRIVATE KEY" "$keyfile" >/dev/null 2>&1 || ${ACME_OPENSSL_BIN:-openssl} rsa -in "$keyfile" -noout -text 2>&1 | grep "^publicExponent:" 2>&1 >/dev/null; then
     return 0
   fi
   return 1
@@ -1646,7 +1646,7 @@ _isRSA() {
 #keyfile
 _isEcc() {
   keyfile=$1
-  if grep "BEGIN EC PRIVATE KEY" "$keyfile" >/dev/null 2>&1 || ${ACME_OPENSSL_BIN:-openssl} ec -in "$keyfile" -noout -text 2>/dev/null | grep "^NIST CURVE:" >/dev/null 2>&1; then
+  if grep "BEGIN EC PRIVATE KEY" "$keyfile" >/dev/null 2>&1 || ${ACME_OPENSSL_BIN:-openssl} ec -in "$keyfile" -noout -text 2>/dev/null | grep "^NIST CURVE:" 2>&1 >/dev/null; then
     return 0
   fi
   return 1
@@ -1744,7 +1744,7 @@ _calcjwk() {
     _debug3 x64 "$x64"
 
     xend=$(_math "$xend" + 1)
-    y="$(printf "%s" "$pubtext" | cut -d : -f "$xend"-10000)"
+    y="$(printf "%s" "$pubtext" | cut -d : -f "$xend"-2048)"
     _debug3 y "$y"
 
     y64="$(printf "%s" "$y" | tr -d : | _h2b | _base64 | _url_replace)"
@@ -1852,9 +1852,15 @@ _inithttp() {
       _ACME_CURL="$_ACME_CURL --cacert $CA_BUNDLE "
     fi
 
-    if _contains "$(curl --help 2>&1)" "--globoff"; then
+    if _contains "$(curl --help 2>&1)" "--globoff" || _contains "$(curl --help curl 2>&1)" "--globoff"; then
       _ACME_CURL="$_ACME_CURL -g "
     fi
+
+    #don't use --fail-with-body
+    ##from curl 7.76: return fail on HTTP errors but keep the body
+    #if _contains "$(curl --help http 2>&1)" "--fail-with-body"; then
+    #  _ACME_CURL="$_ACME_CURL --fail-with-body "
+    #fi
   fi
 
   if [ -z "$_ACME_WGET" ] && _exists "wget"; then
@@ -1872,11 +1878,11 @@ _inithttp() {
     elif [ "$CA_BUNDLE" ]; then
       _ACME_WGET="$_ACME_WGET --ca-certificate=$CA_BUNDLE "
     fi
-  fi
 
-  #from wget 1.14: do not skip body on 404 error
-  if [ "$_ACME_WGET" ] && _contains "$($_ACME_WGET --help 2>&1)" "--content-on-error"; then
-    _ACME_WGET="$_ACME_WGET --content-on-error "
+    #from wget 1.14: do not skip body on 404 error
+    if _contains "$(wget --help 2>&1)" "--content-on-error"; then
+      _ACME_WGET="$_ACME_WGET --content-on-error "
+    fi
   fi
 
   __HTTP_INITIALIZED=1
@@ -2058,7 +2064,7 @@ _get() {
     fi
     _debug "_WGET" "$_WGET"
     if [ "$onlyheader" ]; then
-      _wget_out = "$($_WGET --user-agent="$USER_AGENT" --header "$_H5" --header "$_H4" --header "$_H3" --header "$_H2" --header "$_H1" -S -O /dev/null "$url" 2>&1)"
+      _wget_out="$($_WGET --user-agent="$USER_AGENT" --header "$_H5" --header "$_H4" --header "$_H3" --header "$_H2" --header "$_H1" -S -O /dev/null "$url" 2>&1)"
       if _contains "$_WGET" " -d "; then
         # Demultiplex wget debug output
         echo "$_wget_out" >&2
@@ -2223,6 +2229,20 @@ _send_signed_request() {
         _debug3 _body "$_body"
       fi
 
+      _retryafter=$(echo "$responseHeaders" | grep -i "^Retry-After *: *[0-9]\+ *" | cut -d : -f 2 | tr -d ' ' | tr -d '\r')
+      if [ "$code" = '503' ]; then
+        _sleep_overload_retry_sec=$_retryafter
+        if [ -z "$_sleep_overload_retry_sec" ]; then
+          _sleep_overload_retry_sec=5
+        fi
+        if [ $_sleep_overload_retry_sec -le 600 ]; then
+          _info "It seems the CA server is currently overloaded, let's wait and retry. Sleeping $_sleep_overload_retry_sec seconds."
+          _sleep $_sleep_overload_retry_sec
+          continue
+        else
+          _info "The retryafter=$_retryafter is too large > 600, not retry anymore."
+        fi
+      fi
       if _contains "$_body" "JWS has invalid anti-replay nonce" || _contains "$_body" "JWS has an invalid anti-replay nonce"; then
         _info "It seems the CA server is busy now, let's wait and retry. Sleeping $_sleep_retry_sec seconds."
         _CACHED_NONCE=""
@@ -2352,6 +2372,26 @@ _readdomainconf() {
   _read_conf "$DOMAIN_CONF" "$1"
 }
 
+#_migratedomainconf   oldkey  newkey  base64encode
+_migratedomainconf() {
+  _old_key="$1"
+  _new_key="$2"
+  _b64encode="$3"
+  _value=$(_readdomainconf "$_old_key")
+  if [ -z "$_value" ]; then
+    return 1 # oldkey is not found
+  fi
+  _savedomainconf "$_new_key" "$_value" "$_b64encode"
+  _cleardomainconf "$_old_key"
+  _debug "Domain config $_old_key has been migrated to $_new_key"
+}
+
+#_migratedeployconf   oldkey  newkey  base64encode
+_migratedeployconf() {
+  _migratedomainconf "$1" "SAVED_$2" "$3" ||
+    _migratedomainconf "SAVED_$1" "SAVED_$2" "$3" # try only when oldkey itself is not found
+}
+
 #key  value  base64encode
 _savedeployconf() {
   _savedomainconf "SAVED_$1" "$2" "$3"
@@ -2366,12 +2406,14 @@ _getdeployconf() {
   if [ "$_rac_value" ]; then
     if _startswith "$_rac_value" '"' && _endswith "$_rac_value" '"'; then
       _debug2 "trim quotation marks"
-      eval "export $_rac_key=$_rac_value"
+      eval $_rac_key=$_rac_value
+      export $_rac_key
     fi
     return 0 # do nothing
   fi
-  _saved=$(_readdomainconf "SAVED_$_rac_key")
-  eval "export $_rac_key=\"\$_saved\""
+  _saved="$(_readdomainconf "SAVED_$_rac_key")"
+  eval $_rac_key=\$_saved
+  export $_rac_key
 }
 
 #_saveaccountconf  key  value  base64encode
@@ -2835,12 +2877,14 @@ _initpath() {
 
     if _isEccKey "$_ilength"; then
       DOMAIN_PATH="$domainhomeecc"
-    else
+    elif [ -z "$__SELECTED_RSA_KEY" ]; then
       if [ ! -d "$domainhome" ] && [ -d "$domainhomeecc" ]; then
-        _info "The domain '$domain' seems to have a ECC cert already, please add '$(__red "--ecc")' parameter if you want to use that cert."
+        _info "The domain '$domain' seems to have a ECC cert already, lets use ecc cert."
+        DOMAIN_PATH="$domainhomeecc"
       fi
     fi
     _debug DOMAIN_PATH "$DOMAIN_PATH"
+    export DOMAIN_PATH
   fi
 
   if [ -z "$DOMAIN_BACKUP_PATH" ]; then
@@ -2892,22 +2936,6 @@ _initpath() {
 
 }
 
-_exec() {
-  if [ -z "$_EXEC_TEMP_ERR" ]; then
-    _EXEC_TEMP_ERR="$(_mktemp)"
-  fi
-
-  if [ "$_EXEC_TEMP_ERR" ]; then
-    eval "$@ 2>>$_EXEC_TEMP_ERR"
-  else
-    eval "$@"
-  fi
-}
-
-_exec_err() {
-  [ "$_EXEC_TEMP_ERR" ] && _err "$(cat "$_EXEC_TEMP_ERR")" && echo "" >"$_EXEC_TEMP_ERR"
-}
-
 _apachePath() {
   _APACHECTL="apachectl"
   if ! _exists apachectl; then
@@ -2920,8 +2948,7 @@ _apachePath() {
     fi
   fi
 
-  if ! _exec $_APACHECTL -V >/dev/null; then
-    _exec_err
+  if ! $_APACHECTL -V >/dev/null; then
     return 1
   fi
 
@@ -2973,8 +3000,7 @@ _restoreApache() {
 
   cat "$APACHE_CONF_BACKUP_DIR/$httpdconfname" >"$httpdconf"
   _debug "Restored: $httpdconf."
-  if ! _exec $_APACHECTL -t; then
-    _exec_err
+  if ! $_APACHECTL -t; then
     _err "Sorry, restore apache config error, please contact me."
     return 1
   fi
@@ -2992,8 +3018,7 @@ _setApache() {
   #test the conf first
   _info "Checking if there is an error in the apache config file before starting."
 
-  if ! _exec "$_APACHECTL" -t >/dev/null; then
-    _exec_err
+  if ! $_APACHECTL -t >/dev/null; then
     _err "The apache config file has error, please fix it first, then try again."
     _err "Don't worry, there is nothing changed to your system."
     return 1
@@ -3054,8 +3079,7 @@ Allow from all
     chmod 755 "$ACME_DIR"
   fi
 
-  if ! _exec "$_APACHECTL" graceful; then
-    _exec_err
+  if ! $_APACHECTL graceful; then
     _err "$_APACHECTL  graceful error, please contact me."
     _restoreApache
     return 1
@@ -3140,8 +3164,7 @@ _setNginx() {
     return 1
   fi
   _info "Check the nginx conf before setting up."
-  if ! _exec "nginx -t" >/dev/null; then
-    _exec_err
+  if ! nginx -t >/dev/null; then
     return 1
   fi
 
@@ -3168,16 +3191,14 @@ location ~ \"^/\.well-known/acme-challenge/([-_a-zA-Z0-9]+)\$\" {
   fi
   _debug3 "Modified config:$(cat $FOUND_REAL_NGINX_CONF)"
   _info "nginx conf is done, let's check it again."
-  if ! _exec "nginx -t" >/dev/null; then
-    _exec_err
+  if ! nginx -t >/dev/null; then
     _err "It seems that nginx conf was broken, let's restore."
     cat "$_backup_conf" >"$FOUND_REAL_NGINX_CONF"
     return 1
   fi
 
   _info "Reload nginx"
-  if ! _exec "nginx -s reload" >/dev/null; then
-    _exec_err
+  if ! nginx -s reload >/dev/null; then
     _err "It seems that nginx reload error, let's restore."
     cat "$_backup_conf" >"$FOUND_REAL_NGINX_CONF"
     return 1
@@ -3302,8 +3323,7 @@ _restoreNginx() {
   done
 
   _info "Reload nginx"
-  if ! _exec "nginx -s reload" >/dev/null; then
-    _exec_err
+  if ! nginx -s reload >/dev/null; then
     _err "It seems that nginx reload error, please report bug."
     return 1
   fi
@@ -3995,7 +4015,7 @@ _ns_purge_cf() {
 
 #checks if cf server is available
 _ns_is_available_cf() {
-  if _get "https://cloudflare-dns.com" "" 1 >/dev/null 2>&1; then
+  if _get "https://cloudflare-dns.com" "" 10 >/dev/null; then
     return 0
   else
     return 1
@@ -4003,7 +4023,7 @@ _ns_is_available_cf() {
 }
 
 _ns_is_available_google() {
-  if _get "https://dns.google" "" 1 >/dev/null 2>&1; then
+  if _get "https://dns.google" "" 10 >/dev/null; then
     return 0
   else
     return 1
@@ -4019,7 +4039,7 @@ _ns_lookup_google() {
 }
 
 _ns_is_available_ali() {
-  if _get "https://dns.alidns.com" "" 1 >/dev/null 2>&1; then
+  if _get "https://dns.alidns.com" "" 10 >/dev/null; then
     return 0
   else
     return 1
@@ -4035,7 +4055,7 @@ _ns_lookup_ali() {
 }
 
 _ns_is_available_dp() {
-  if _get "https://doh.pub" "" 1 >/dev/null 2>&1; then
+  if _get "https://doh.pub" "" 10 >/dev/null; then
     return 0
   else
     return 1
@@ -4050,8 +4070,7 @@ _ns_lookup_dp() {
   _ns_lookup_impl "$_cf_ep" "$_cf_ld" "$_cf_ld_type"
 }
 
-#domain, type
-_ns_lookup() {
+_ns_select_doh() {
   if [ -z "$DOH_USE" ]; then
     _debug "Detect dns server first."
     if _ns_is_available_cf; then
@@ -4070,7 +4089,11 @@ _ns_lookup() {
       _err "No doh"
     fi
   fi
+}
 
+#domain, type
+_ns_lookup() {
+  _ns_select_doh
   if [ "$DOH_USE" = "$DOH_CLOUDFLARE" ] || [ -z "$DOH_USE" ]; then
     _ns_lookup_cf "$@"
   elif [ "$DOH_USE" = "$DOH_GOOGLE" ]; then
@@ -4093,6 +4116,7 @@ __check_txt() {
   _debug "_c_txtdomain" "$_c_txtdomain"
   _debug "_c_aliasdomain" "$_c_aliasdomain"
   _debug "_c_txt" "$_c_txt"
+  _ns_select_doh
   _answers="$(_ns_lookup "$_c_aliasdomain" TXT)"
   _contains "$_answers" "$_c_txt"
 
@@ -4637,28 +4661,26 @@ $_authorizations_map"
         thumbprint="$(__calc_account_thumbprint)"
       fi
 
+      keyauthorization=""
+
+      if echo "$response" | grep '"status":"valid"' >/dev/null 2>&1; then
+        _debug "$d is already valid."
+        keyauthorization="$STATE_VERIFIED"
+        _debug keyauthorization "$keyauthorization"
+      fi
+
       entry="$(echo "$response" | _egrep_o '[^\{]*"type":"'$vtype'"[^\}]*')"
       _debug entry "$entry"
-      keyauthorization=""
-      if [ -z "$entry" ]; then
-        if ! _startswith "$d" '*.'; then
-          _debug "Not a wildcard domain, lets check whether the validation is already valid."
-          if echo "$response" | grep '"status":"valid"' >/dev/null 2>&1; then
-            _debug "$d is already valid."
-            keyauthorization="$STATE_VERIFIED"
-            _debug keyauthorization "$keyauthorization"
-          fi
-        fi
-        if [ -z "$keyauthorization" ]; then
-          _err "Error, can not get domain token entry $d for $vtype"
-          _supported_vtypes="$(echo "$response" | _egrep_o "\"challenges\":\[[^]]*]" | tr '{' "\n" | grep type | cut -d '"' -f 4 | tr "\n" ' ')"
-          if [ "$_supported_vtypes" ]; then
-            _err "The supported validation types are: $_supported_vtypes, but you specified: $vtype"
-          fi
-          _clearup
-          _on_issue_err "$_post_hook"
-          return 1
+
+      if [ -z "$keyauthorization" -a -z "$entry" ]; then
+        _err "Error, can not get domain token entry $d for $vtype"
+        _supported_vtypes="$(echo "$response" | _egrep_o "\"challenges\":\[[^]]*]" | tr '{' "\n" | grep type | cut -d '"' -f 4 | tr "\n" ' ')"
+        if [ "$_supported_vtypes" ]; then
+          _err "The supported validation types are: $_supported_vtypes, but you specified: $vtype"
         fi
+        _clearup
+        _on_issue_err "$_post_hook"
+        return 1
       fi
 
       if [ -z "$keyauthorization" ]; then
@@ -4684,12 +4706,6 @@ $_authorizations_map"
         fi
         keyauthorization="$token.$thumbprint"
         _debug keyauthorization "$keyauthorization"
-
-        if printf "%s" "$response" | grep '"status":"valid"' >/dev/null 2>&1; then
-          _debug "$d is already verified."
-          keyauthorization="$STATE_VERIFIED"
-          _debug keyauthorization "$keyauthorization"
-        fi
       fi
 
       dvlist="$d$sep$keyauthorization$sep$uri$sep$vtype$sep$_currentRoot"
@@ -4913,18 +4929,6 @@ $_authorizations_map"
         if ! chmod a+r "$wellknown_path/$token"; then
           _debug "chmod failed, but we just continue."
         fi
-        if [ ! "$usingApache" ]; then
-          if webroot_owner=$(_stat "$_currentRoot"); then
-            _debug "Changing owner/group of .well-known to $webroot_owner"
-            if ! _exec "chown -R \"$webroot_owner\" \"$_currentRoot/.well-known\""; then
-              _debug "$(cat "$_EXEC_TEMP_ERR")"
-              _exec_err >/dev/null 2>&1
-            fi
-          else
-            _debug "not changing owner/group of webroot"
-          fi
-        fi
-
       fi
     elif [ "$vtype" = "$VTYPE_ALPN" ]; then
       acmevalidationv1="$(printf "%s" "$keyauthorization" | _digest "sha256" "hex")"
@@ -5739,6 +5743,7 @@ deploy() {
     return 1
   fi
 
+  _debug2 DOMAIN_CONF "$DOMAIN_CONF"
   . "$DOMAIN_CONF"
 
   _savedomainconf Le_DeployHook "$_hooks"
@@ -6098,8 +6103,22 @@ revoke() {
 
   uri="${ACME_REVOKE_CERT}"
 
+  _info "Try account key first."
+  if _send_signed_request "$uri" "$data" "" "$ACCOUNT_KEY_PATH"; then
+    if [ -z "$response" ]; then
+      _info "Revoke success."
+      rm -f "$CERT_PATH"
+      cat "$CERT_KEY_PATH" >"$CERT_KEY_PATH.revoked"
+      cat "$CSR_PATH" >"$CSR_PATH.revoked"
+      return 0
+    else
+      _err "Revoke error."
+      _debug "$response"
+    fi
+  fi
+
   if [ -f "$CERT_KEY_PATH" ]; then
-    _info "Try domain key first."
+    _info "Try domain key."
     if _send_signed_request "$uri" "$data" "" "$CERT_KEY_PATH"; then
       if [ -z "$response" ]; then
         _info "Revoke success."
@@ -6115,21 +6134,6 @@ revoke() {
   else
     _info "Domain key file doesn't exist."
   fi
-
-  _info "Try account key."
-
-  if _send_signed_request "$uri" "$data" "" "$ACCOUNT_KEY_PATH"; then
-    if [ -z "$response" ]; then
-      _info "Revoke success."
-      rm -f "$CERT_PATH"
-      cat "$CERT_KEY_PATH" >"$CERT_KEY_PATH.revoked"
-      cat "$CSR_PATH" >"$CSR_PATH.revoked"
-      return 0
-    else
-      _err "Revoke error."
-      _debug "$response"
-    fi
-  fi
   return 1
 }
 
@@ -6703,6 +6707,13 @@ _send_notify() {
     return 0
   fi
 
+  _nsource="$NOTIFY_SOURCE"
+  if [ -z "$_nsource" ]; then
+    _nsource="$(hostname)"
+  fi
+
+  _nsubject="$_nsubject by $_nsource"
+
   _send_err=0
   for _n_hook in $(echo "$_nhooks" | tr ',' " "); do
     _n_hook_file="$(_findHook "" $_SUB_FOLDER_NOTIFY "$_n_hook")"
@@ -6757,11 +6768,12 @@ setnotify() {
   _nhook="$1"
   _nlevel="$2"
   _nmode="$3"
+  _nsource="$4"
 
   _initpath
 
-  if [ -z "$_nhook$_nlevel$_nmode" ]; then
-    _usage "Usage: $PROJECT_ENTRY --set-notify [--notify-hook <hookname>] [--notify-level <0|1|2|3>] [--notify-mode <0|1>]"
+  if [ -z "$_nhook$_nlevel$_nmode$_nsource" ]; then
+    _usage "Usage: $PROJECT_ENTRY --set-notify [--notify-hook <hookname>] [--notify-level <0|1|2|3>] [--notify-mode <0|1>] [--notify-source <hostname>]"
     _usage "$_NOTIFY_WIKI"
     return 1
   fi
@@ -6778,6 +6790,12 @@ setnotify() {
     _saveaccountconf "NOTIFY_MODE" "$NOTIFY_MODE"
   fi
 
+  if [ "$_nsource" ]; then
+    _info "Set notify source to: $_nsource"
+    export "NOTIFY_SOURCE=$_nsource"
+    _saveaccountconf "NOTIFY_SOURCE" "$NOTIFY_SOURCE"
+  fi
+
   if [ "$_nhook" ]; then
     _info "Set notify hook to: $_nhook"
     if [ "$_nhook" = "$NO_VALUE" ]; then
@@ -6938,6 +6956,7 @@ Parameters:
                                       0: Bulk mode. Send all the domain's notifications in one message(mail).
                                       1: Cert mode. Send a message for every single cert.
   --notify-hook <hookname>          Set the notify hook
+  --notify-source <server name>     Set the server name in the notification message
   --revoke-reason <0-10>            The reason for revocation, can be used in conjunction with the '--revoke' command.
                                       See: $_REVOKE_WIKI
 
@@ -7095,7 +7114,9 @@ _selectServer() {
 _getCAShortName() {
   caurl="$1"
   if [ -z "$caurl" ]; then
-    caurl="$DEFAULT_CA"
+    #use letsencrypt as default value if the Le_API is empty
+    #this case can only come from the old upgrading.
+    caurl="$CA_LETSENCRYPT_V2"
   fi
   if [ "$CA_SSLCOM_ECC" = "$caurl" ]; then
     caurl="$CA_SSLCOM_RSA" #just hack to get the short name
@@ -7212,6 +7233,7 @@ _process() {
   _notify_hook=""
   _notify_level=""
   _notify_mode=""
+  _notify_source=""
   _revoke_reason=""
   _eab_kid=""
   _eab_hmac_key=""
@@ -7457,6 +7479,9 @@ _process() {
     --keylength | -k)
       _keylength="$2"
       shift
+      if [ "$_keylength" ] && ! _isEccKey "$_keylength"; then
+        export __SELECTED_RSA_KEY=1
+      fi
       ;;
     -ak | --accountkeylength)
       _accountkeylength="$2"
@@ -7492,7 +7517,7 @@ _process() {
       shift
       ;;
     --home)
-      export LE_WORKING_DIR="$2"
+      export LE_WORKING_DIR="$(echo "$2" | sed 's|/$||')"
       shift
       ;;
     --cert-home | --certhome)
@@ -7704,6 +7729,15 @@ _process() {
       _notify_mode="$_nmode"
       shift
       ;;
+    --notify-source)
+      _nsource="$2"
+      if _startswith "$_nsource" "-"; then
+        _err "'$_nsource' is not valid host name for '$1'"
+        return 1
+      fi
+      _notify_source="$_nsource"
+      shift
+      ;;
     --revoke-reason)
       _revoke_reason="$2"
       if _startswith "$_revoke_reason" "-"; then
@@ -7858,7 +7892,7 @@ _process() {
     createCSR "$_domain" "$_altdomains" "$_ecc"
     ;;
   setnotify)
-    setnotify "$_notify_hook" "$_notify_level" "$_notify_mode"
+    setnotify "$_notify_hook" "$_notify_level" "$_notify_mode" "$_notify_source"
     ;;
   setdefaultca)
     setdefaultca
diff --git a/deploy/docker.sh b/deploy/docker.sh
index 3aa1b2cd..c9815d5b 100755
--- a/deploy/docker.sh
+++ b/deploy/docker.sh
@@ -273,16 +273,27 @@ _check_curl_version() {
   _minor="$(_getfield "$_cversion" 2 '.')"
   _debug2 "_minor" "$_minor"
 
-  if [ "$_major$_minor" -lt "740" ]; then
+  if [ "$_major" -ge "8" ]; then
+    #ok
+    return 0
+  fi
+  if [ "$_major" = "7" ]; then
+    if [ "$_minor" -lt "40" ]; then
+      _err "curl v$_cversion doesn't support unit socket"
+      _err "Please upgrade to curl 7.40 or later."
+      return 1
+    fi
+    if [ "$_minor" -lt "50" ]; then
+      _debug "Use short host name"
+      export _CURL_NO_HOST=1
+    else
+      export _CURL_NO_HOST=
+    fi
+    return 0
+  else
     _err "curl v$_cversion doesn't support unit socket"
     _err "Please upgrade to curl 7.40 or later."
     return 1
   fi
-  if [ "$_major$_minor" -lt "750" ]; then
-    _debug "Use short host name"
-    export _CURL_NO_HOST=1
-  else
-    export _CURL_NO_HOST=
-  fi
-  return 0
+
 }
diff --git a/deploy/gcore_cdn.sh b/deploy/gcore_cdn.sh
index f573a3aa..fd17cc25 100644
--- a/deploy/gcore_cdn.sh
+++ b/deploy/gcore_cdn.sh
@@ -1,10 +1,11 @@
 #!/usr/bin/env sh
 
-# Here is the script to deploy the cert to G-Core CDN service (https://gcorelabs.com/ru/) using the G-Core Labs API (https://docs.gcorelabs.com/cdn/).
+# Here is the script to deploy the cert to G-Core CDN service (https://gcore.com/) using the G-Core Labs API (https://apidocs.gcore.com/cdn).
 # Returns 0 when success.
 #
 # Written by temoffey <temofffey@gmail.com>
 # Public domain, 2019
+# Update by DreamOfIce <admin@dreamofice.cn> in 2023
 
 #export DEPLOY_GCORE_CDN_USERNAME=myusername
 #export DEPLOY_GCORE_CDN_PASSWORD=mypassword
@@ -56,7 +57,7 @@ gcore_cdn_deploy() {
   _request="{\"username\":\"$Le_Deploy_gcore_cdn_username\",\"password\":\"$Le_Deploy_gcore_cdn_password\"}"
   _debug _request "$_request"
   export _H1="Content-Type:application/json"
-  _response=$(_post "$_request" "https://api.gcdn.co/auth/jwt/login")
+  _response=$(_post "$_request" "https://api.gcore.com/auth/jwt/login")
   _debug _response "$_response"
   _regex=".*\"access\":\"\([-._0-9A-Za-z]*\)\".*$"
   _debug _regex "$_regex"
@@ -69,8 +70,8 @@ gcore_cdn_deploy() {
   fi
 
   _info "Find CDN resource with cname $_cdomain"
-  export _H2="Authorization:Token $_token"
-  _response=$(_get "https://api.gcdn.co/resources")
+  export _H2="Authorization:Bearer $_token"
+  _response=$(_get "https://api.gcore.com/cdn/resources")
   _debug _response "$_response"
   _regex="\"primary_resource\":null},"
   _debug _regex "$_regex"
@@ -102,7 +103,7 @@ gcore_cdn_deploy() {
   _date=$(date "+%d.%m.%Y %H:%M:%S")
   _request="{\"name\":\"$_cdomain ($_date)\",\"sslCertificate\":\"$_fullchain\",\"sslPrivateKey\":\"$_key\"}"
   _debug _request "$_request"
-  _response=$(_post "$_request" "https://api.gcdn.co/sslData")
+  _response=$(_post "$_request" "https://api.gcore.com/cdn/sslData")
   _debug _response "$_response"
   _regex=".*\"id\":\([0-9]*\).*$"
   _debug _regex "$_regex"
@@ -117,7 +118,7 @@ gcore_cdn_deploy() {
   _info "Update CDN resource"
   _request="{\"originGroup\":$_originGroup,\"sslData\":$_sslDataAdd}"
   _debug _request "$_request"
-  _response=$(_post "$_request" "https://api.gcdn.co/resources/$_resourceId" '' "PUT")
+  _response=$(_post "$_request" "https://api.gcore.com/cdn/resources/$_resourceId" '' "PUT")
   _debug _response "$_response"
   _regex=".*\"sslData\":\([0-9]*\).*$"
   _debug _regex "$_regex"
@@ -133,7 +134,7 @@ gcore_cdn_deploy() {
     _info "Not found old SSL certificate"
   else
     _info "Delete old SSL certificate"
-    _response=$(_post '' "https://api.gcdn.co/sslData/$_sslDataOld" '' "DELETE")
+    _response=$(_post '' "https://api.gcore.com/cdn/sslData/$_sslDataOld" '' "DELETE")
     _debug _response "$_response"
   fi
 
diff --git a/deploy/gitlab.sh b/deploy/gitlab.sh
index ba2d3122..595b6d20 100644
--- a/deploy/gitlab.sh
+++ b/deploy/gitlab.sh
@@ -67,7 +67,7 @@ gitlab_deploy() {
 
   error_response="error"
 
-  if test "${_response#*$error_response}" != "$_response"; then
+  if test "${_response#*"$error_response"}" != "$_response"; then
     _err "Error in deploying certificate:"
     _err "$_response"
     return 1
diff --git a/deploy/ssh.sh b/deploy/ssh.sh
index 89962621..c66e2e19 100644
--- a/deploy/ssh.sh
+++ b/deploy/ssh.sh
@@ -14,7 +14,7 @@
 # The following examples are for QNAP NAS running QTS 4.2
 # export DEPLOY_SSH_CMD=""  # defaults to "ssh -T"
 # export DEPLOY_SSH_USER="admin"  # required
-# export DEPLOY_SSH_SERVER="qnap"  # defaults to domain name
+# export DEPLOY_SSH_SERVER="host1 host2:8022 192.168.0.1:9022"  # defaults to domain name, support multiple servers with optional port
 # export DEPLOY_SSH_KEYFILE="/etc/stunnel/stunnel.pem"
 # export DEPLOY_SSH_CERTFILE="/etc/stunnel/stunnel.pem"
 # export DEPLOY_SSH_CAFILE="/etc/stunnel/uca.pem"
@@ -23,6 +23,8 @@
 # export DEPLOY_SSH_BACKUP=""  # yes or no, default to yes or previously saved value
 # export DEPLOY_SSH_BACKUP_PATH=".acme_ssh_deploy"  # path on remote system. Defaults to .acme_ssh_deploy
 # export DEPLOY_SSH_MULTI_CALL=""  # yes or no, default to no or previously saved value
+# export DEPLOY_SSH_USE_SCP="" yes or no, default to no
+# export DEPLOY_SSH_SCP_CMD="" defaults to "scp -q"
 #
 ########  Public functions #####################
 
@@ -42,72 +44,134 @@ ssh_deploy() {
   _debug _cfullchain "$_cfullchain"
 
   # USER is required to login by SSH to remote host.
+  _migratedeployconf Le_Deploy_ssh_user DEPLOY_SSH_USER
   _getdeployconf DEPLOY_SSH_USER
   _debug2 DEPLOY_SSH_USER "$DEPLOY_SSH_USER"
   if [ -z "$DEPLOY_SSH_USER" ]; then
-    if [ -z "$Le_Deploy_ssh_user" ]; then
-      _err "DEPLOY_SSH_USER not defined."
-      return 1
-    fi
-  else
-    Le_Deploy_ssh_user="$DEPLOY_SSH_USER"
-    _savedomainconf Le_Deploy_ssh_user "$Le_Deploy_ssh_user"
+    _err "DEPLOY_SSH_USER not defined."
+    return 1
   fi
+  _savedeployconf DEPLOY_SSH_USER "$DEPLOY_SSH_USER"
 
   # SERVER is optional. If not provided then use _cdomain
+  _migratedeployconf Le_Deploy_ssh_server DEPLOY_SSH_SERVER
   _getdeployconf DEPLOY_SSH_SERVER
   _debug2 DEPLOY_SSH_SERVER "$DEPLOY_SSH_SERVER"
-  if [ -n "$DEPLOY_SSH_SERVER" ]; then
-    Le_Deploy_ssh_server="$DEPLOY_SSH_SERVER"
-    _savedomainconf Le_Deploy_ssh_server "$Le_Deploy_ssh_server"
-  elif [ -z "$Le_Deploy_ssh_server" ]; then
-    Le_Deploy_ssh_server="$_cdomain"
+  if [ -z "$DEPLOY_SSH_SERVER" ]; then
+    DEPLOY_SSH_SERVER="$_cdomain"
   fi
+  _savedeployconf DEPLOY_SSH_SERVER "$DEPLOY_SSH_SERVER"
 
   # CMD is optional. If not provided then use ssh
+  _migratedeployconf Le_Deploy_ssh_cmd DEPLOY_SSH_CMD
   _getdeployconf DEPLOY_SSH_CMD
   _debug2 DEPLOY_SSH_CMD "$DEPLOY_SSH_CMD"
-  if [ -n "$DEPLOY_SSH_CMD" ]; then
-    Le_Deploy_ssh_cmd="$DEPLOY_SSH_CMD"
-    _savedomainconf Le_Deploy_ssh_cmd "$Le_Deploy_ssh_cmd"
-  elif [ -z "$Le_Deploy_ssh_cmd" ]; then
-    Le_Deploy_ssh_cmd="ssh -T"
+  if [ -z "$DEPLOY_SSH_CMD" ]; then
+    DEPLOY_SSH_CMD="ssh -T"
   fi
+  _savedeployconf DEPLOY_SSH_CMD "$DEPLOY_SSH_CMD"
 
   # BACKUP is optional. If not provided then default to previously saved value or yes.
+  _migratedeployconf Le_Deploy_ssh_backup DEPLOY_SSH_BACKUP
   _getdeployconf DEPLOY_SSH_BACKUP
   _debug2 DEPLOY_SSH_BACKUP "$DEPLOY_SSH_BACKUP"
-  if [ "$DEPLOY_SSH_BACKUP" = "no" ]; then
-    Le_Deploy_ssh_backup="no"
-  elif [ -z "$Le_Deploy_ssh_backup" ] || [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
-    Le_Deploy_ssh_backup="yes"
+  if [ -z "$DEPLOY_SSH_BACKUP" ]; then
+    DEPLOY_SSH_BACKUP="yes"
   fi
-  _savedomainconf Le_Deploy_ssh_backup "$Le_Deploy_ssh_backup"
+  _savedeployconf DEPLOY_SSH_BACKUP "$DEPLOY_SSH_BACKUP"
 
   # BACKUP_PATH is optional. If not provided then default to previously saved value or .acme_ssh_deploy
+  _migratedeployconf Le_Deploy_ssh_backup_path DEPLOY_SSH_BACKUP_PATH
   _getdeployconf DEPLOY_SSH_BACKUP_PATH
   _debug2 DEPLOY_SSH_BACKUP_PATH "$DEPLOY_SSH_BACKUP_PATH"
-  if [ -n "$DEPLOY_SSH_BACKUP_PATH" ]; then
-    Le_Deploy_ssh_backup_path="$DEPLOY_SSH_BACKUP_PATH"
-  elif [ -z "$Le_Deploy_ssh_backup_path" ]; then
-    Le_Deploy_ssh_backup_path=".acme_ssh_deploy"
+  if [ -z "$DEPLOY_SSH_BACKUP_PATH" ]; then
+    DEPLOY_SSH_BACKUP_PATH=".acme_ssh_deploy"
   fi
-  _savedomainconf Le_Deploy_ssh_backup_path "$Le_Deploy_ssh_backup_path"
+  _savedeployconf DEPLOY_SSH_BACKUP_PATH "$DEPLOY_SSH_BACKUP_PATH"
 
   # MULTI_CALL is optional. If not provided then default to previously saved
   # value (which may be undefined... equivalent to "no").
+  _migratedeployconf Le_Deploy_ssh_multi_call DEPLOY_SSH_MULTI_CALL
   _getdeployconf DEPLOY_SSH_MULTI_CALL
   _debug2 DEPLOY_SSH_MULTI_CALL "$DEPLOY_SSH_MULTI_CALL"
-  if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
-    Le_Deploy_ssh_multi_call="yes"
-    _savedomainconf Le_Deploy_ssh_multi_call "$Le_Deploy_ssh_multi_call"
-  elif [ "$DEPLOY_SSH_MULTI_CALL" = "no" ]; then
-    Le_Deploy_ssh_multi_call=""
-    _cleardomainconf Le_Deploy_ssh_multi_call
+  if [ -z "$DEPLOY_SSH_MULTI_CALL" ]; then
+    DEPLOY_SSH_MULTI_CALL="no"
+  fi
+  _savedeployconf DEPLOY_SSH_MULTI_CALL "$DEPLOY_SSH_MULTI_CALL"
+
+  # KEYFILE is optional.
+  # If provided then private key will be copied to provided filename.
+  _migratedeployconf Le_Deploy_ssh_keyfile DEPLOY_SSH_KEYFILE
+  _getdeployconf DEPLOY_SSH_KEYFILE
+  _debug2 DEPLOY_SSH_KEYFILE "$DEPLOY_SSH_KEYFILE"
+  if [ -n "$DEPLOY_SSH_KEYFILE" ]; then
+    _savedeployconf DEPLOY_SSH_KEYFILE "$DEPLOY_SSH_KEYFILE"
+  fi
+
+  # CERTFILE is optional.
+  # If provided then certificate will be copied or appended to provided filename.
+  _migratedeployconf Le_Deploy_ssh_certfile DEPLOY_SSH_CERTFILE
+  _getdeployconf DEPLOY_SSH_CERTFILE
+  _debug2 DEPLOY_SSH_CERTFILE "$DEPLOY_SSH_CERTFILE"
+  if [ -n "$DEPLOY_SSH_CERTFILE" ]; then
+    _savedeployconf DEPLOY_SSH_CERTFILE "$DEPLOY_SSH_CERTFILE"
+  fi
+
+  # CAFILE is optional.
+  # If provided then CA intermediate certificate will be copied or appended to provided filename.
+  _migratedeployconf Le_Deploy_ssh_cafile DEPLOY_SSH_CAFILE
+  _getdeployconf DEPLOY_SSH_CAFILE
+  _debug2 DEPLOY_SSH_CAFILE "$DEPLOY_SSH_CAFILE"
+  if [ -n "$DEPLOY_SSH_CAFILE" ]; then
+    _savedeployconf DEPLOY_SSH_CAFILE "$DEPLOY_SSH_CAFILE"
+  fi
+
+  # FULLCHAIN is optional.
+  # If provided then fullchain certificate will be copied or appended to provided filename.
+  _migratedeployconf Le_Deploy_ssh_fullchain DEPLOY_SSH_FULLCHAIN
+  _getdeployconf DEPLOY_SSH_FULLCHAIN
+  _debug2 DEPLOY_SSH_FULLCHAIN "$DEPLOY_SSH_FULLCHAIN"
+  if [ -n "$DEPLOY_SSH_FULLCHAIN" ]; then
+    _savedeployconf DEPLOY_SSH_FULLCHAIN "$DEPLOY_SSH_FULLCHAIN"
+  fi
+
+  # REMOTE_CMD is optional.
+  # If provided then this command will be executed on remote host.
+  _migratedeployconf Le_Deploy_ssh_remote_cmd DEPLOY_SSH_REMOTE_CMD
+  _getdeployconf DEPLOY_SSH_REMOTE_CMD
+  _debug2 DEPLOY_SSH_REMOTE_CMD "$DEPLOY_SSH_REMOTE_CMD"
+  if [ -n "$DEPLOY_SSH_REMOTE_CMD" ]; then
+    _savedeployconf DEPLOY_SSH_REMOTE_CMD "$DEPLOY_SSH_REMOTE_CMD"
+  fi
+
+  # USE_SCP is optional. If not provided then default to previously saved
+  # value (which may be undefined... equivalent to "no").
+  _getdeployconf DEPLOY_SSH_USE_SCP
+  _debug2 DEPLOY_SSH_USE_SCP "$DEPLOY_SSH_USE_SCP"
+  if [ -z "$DEPLOY_SSH_USE_SCP" ]; then
+    DEPLOY_SSH_USE_SCP="no"
+  fi
+  _savedeployconf DEPLOY_SSH_USE_SCP "$DEPLOY_SSH_USE_SCP"
+
+  # SCP_CMD is optional. If not provided then use scp
+  _getdeployconf DEPLOY_SSH_SCP_CMD
+  _debug2 DEPLOY_SSH_SCP_CMD "$DEPLOY_SSH_SCP_CMD"
+  if [ -z "$DEPLOY_SSH_SCP_CMD" ]; then
+    DEPLOY_SSH_SCP_CMD="scp -q"
+  fi
+  _savedeployconf DEPLOY_SSH_SCP_CMD "$DEPLOY_SSH_SCP_CMD"
+
+  if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
+    DEPLOY_SSH_MULTI_CALL="yes"
+    _info "Using scp as alternate method for copying files. Multicall Mode is implicit"
+  elif [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+    _info "Using MULTI_CALL mode... Required commands sent in multiple calls to remote host"
+  else
+    _info "Required commands batched and sent in single call to remote host"
   fi
 
-  _deploy_ssh_servers=$Le_Deploy_ssh_server
-  for Le_Deploy_ssh_server in $_deploy_ssh_servers; do
+  _deploy_ssh_servers="$DEPLOY_SSH_SERVER"
+  for DEPLOY_SSH_SERVER in $_deploy_ssh_servers; do
     _ssh_deploy
   done
 }
@@ -117,16 +181,25 @@ _ssh_deploy() {
   _cmdstr=""
   _backupprefix=""
   _backupdir=""
+  _local_cert_file=""
+  _local_ca_file=""
+  _local_full_file=""
 
-  _info "Deploy certificates to remote server $Le_Deploy_ssh_user@$Le_Deploy_ssh_server"
-  if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
-    _info "Using MULTI_CALL mode... Required commands sent in multiple calls to remote host"
-  else
-    _info "Required commands batched and sent in single call to remote host"
-  fi
+  case $DEPLOY_SSH_SERVER in
+  *:*)
+    _host=${DEPLOY_SSH_SERVER%:*}
+    _port=${DEPLOY_SSH_SERVER##*:}
+    ;;
+  *)
+    _host=$DEPLOY_SSH_SERVER
+    _port=
+    ;;
+  esac
 
-  if [ "$Le_Deploy_ssh_backup" = "yes" ]; then
-    _backupprefix="$Le_Deploy_ssh_backup_path/$_cdomain-backup"
+  _info "Deploy certificates to remote server $DEPLOY_SSH_USER@$_host:$_port"
+
+  if [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
+    _backupprefix="$DEPLOY_SSH_BACKUP_PATH/$_cdomain-backup"
     _backupdir="$_backupprefix-$(_utc_date | tr ' ' '-')"
     # run cleanup on the backup directory, erase all older
     # than 180 days (15552000 seconds).
@@ -138,7 +211,7 @@ then rm -rf \"\$fn\"; echo \"Backup \$fn deleted as older than 180 days\"; fi; d
     _cmdstr="mkdir -p $_backupdir; $_cmdstr"
     _info "Backup of old certificate files will be placed in remote directory $_backupdir"
     _info "Backup directories erased after 180 days."
-    if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
+    if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
       if ! _ssh_remote_cmd "$_cmdstr"; then
         return $_err_code
       fi
@@ -146,129 +219,184 @@ then rm -rf \"\$fn\"; echo \"Backup \$fn deleted as older than 180 days\"; fi; d
     fi
   fi
 
-  # KEYFILE is optional.
-  # If provided then private key will be copied to provided filename.
-  _getdeployconf DEPLOY_SSH_KEYFILE
-  _debug2 DEPLOY_SSH_KEYFILE "$DEPLOY_SSH_KEYFILE"
   if [ -n "$DEPLOY_SSH_KEYFILE" ]; then
-    Le_Deploy_ssh_keyfile="$DEPLOY_SSH_KEYFILE"
-    _savedomainconf Le_Deploy_ssh_keyfile "$Le_Deploy_ssh_keyfile"
-  fi
-  if [ -n "$Le_Deploy_ssh_keyfile" ]; then
-    if [ "$Le_Deploy_ssh_backup" = "yes" ]; then
+    if [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
       # backup file we are about to overwrite.
-      _cmdstr="$_cmdstr cp $Le_Deploy_ssh_keyfile $_backupdir >/dev/null;"
+      _cmdstr="$_cmdstr cp $DEPLOY_SSH_KEYFILE $_backupdir >/dev/null;"
+      if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
-    # copy new certificate into file.
-    _cmdstr="$_cmdstr echo \"$(cat "$_ckey")\" > $Le_Deploy_ssh_keyfile;"
-    _info "will copy private key to remote file $Le_Deploy_ssh_keyfile"
-    if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
-      if ! _ssh_remote_cmd "$_cmdstr"; then
+
+    # copy new key into file.
+    if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
+      # scp the file
+      if ! _scp_remote_cmd "$_ckey" "$DEPLOY_SSH_KEYFILE"; then
         return $_err_code
       fi
-      _cmdstr=""
+    else
+      # ssh echo to the file
+      _cmdstr="$_cmdstr echo \"$(cat "$_ckey")\" > $DEPLOY_SSH_KEYFILE;"
+      _info "will copy private key to remote file $DEPLOY_SSH_KEYFILE"
+      if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
   fi
 
-  # CERTFILE is optional.
-  # If provided then certificate will be copied or appended to provided filename.
-  _getdeployconf DEPLOY_SSH_CERTFILE
-  _debug2 DEPLOY_SSH_CERTFILE "$DEPLOY_SSH_CERTFILE"
   if [ -n "$DEPLOY_SSH_CERTFILE" ]; then
-    Le_Deploy_ssh_certfile="$DEPLOY_SSH_CERTFILE"
-    _savedomainconf Le_Deploy_ssh_certfile "$Le_Deploy_ssh_certfile"
-  fi
-  if [ -n "$Le_Deploy_ssh_certfile" ]; then
     _pipe=">"
-    if [ "$Le_Deploy_ssh_certfile" = "$Le_Deploy_ssh_keyfile" ]; then
+    if [ "$DEPLOY_SSH_CERTFILE" = "$DEPLOY_SSH_KEYFILE" ]; then
       # if filename is same as previous file then append.
       _pipe=">>"
-    elif [ "$Le_Deploy_ssh_backup" = "yes" ]; then
+    elif [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
       # backup file we are about to overwrite.
-      _cmdstr="$_cmdstr cp $Le_Deploy_ssh_certfile $_backupdir >/dev/null;"
+      _cmdstr="$_cmdstr cp $DEPLOY_SSH_CERTFILE $_backupdir >/dev/null;"
+      if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
+
     # copy new certificate into file.
-    _cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" $_pipe $Le_Deploy_ssh_certfile;"
-    _info "will copy certificate to remote file $Le_Deploy_ssh_certfile"
-    if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
-      if ! _ssh_remote_cmd "$_cmdstr"; then
+    if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
+      # scp the file
+      _local_cert_file=$(_mktemp)
+      if [ "$DEPLOY_SSH_CERTFILE" = "$DEPLOY_SSH_KEYFILE" ]; then
+        cat "$_ckey" >>"$_local_cert_file"
+      fi
+      cat "$_ccert" >>"$_local_cert_file"
+      if ! _scp_remote_cmd "$_local_cert_file" "$DEPLOY_SSH_CERTFILE"; then
         return $_err_code
       fi
-      _cmdstr=""
+    else
+      # ssh echo to the file
+      _cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" $_pipe $DEPLOY_SSH_CERTFILE;"
+      _info "will copy certificate to remote file $DEPLOY_SSH_CERTFILE"
+      if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
   fi
 
-  # CAFILE is optional.
-  # If provided then CA intermediate certificate will be copied or appended to provided filename.
-  _getdeployconf DEPLOY_SSH_CAFILE
-  _debug2 DEPLOY_SSH_CAFILE "$DEPLOY_SSH_CAFILE"
   if [ -n "$DEPLOY_SSH_CAFILE" ]; then
-    Le_Deploy_ssh_cafile="$DEPLOY_SSH_CAFILE"
-    _savedomainconf Le_Deploy_ssh_cafile "$Le_Deploy_ssh_cafile"
-  fi
-  if [ -n "$Le_Deploy_ssh_cafile" ]; then
     _pipe=">"
-    if [ "$Le_Deploy_ssh_cafile" = "$Le_Deploy_ssh_keyfile" ] ||
-      [ "$Le_Deploy_ssh_cafile" = "$Le_Deploy_ssh_certfile" ]; then
+    if [ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_KEYFILE" ] ||
+      [ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_CERTFILE" ]; then
       # if filename is same as previous file then append.
       _pipe=">>"
-    elif [ "$Le_Deploy_ssh_backup" = "yes" ]; then
+    elif [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
       # backup file we are about to overwrite.
-      _cmdstr="$_cmdstr cp $Le_Deploy_ssh_cafile $_backupdir >/dev/null;"
+      _cmdstr="$_cmdstr cp $DEPLOY_SSH_CAFILE $_backupdir >/dev/null;"
+      if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
+
     # copy new certificate into file.
-    _cmdstr="$_cmdstr echo \"$(cat "$_cca")\" $_pipe $Le_Deploy_ssh_cafile;"
-    _info "will copy CA file to remote file $Le_Deploy_ssh_cafile"
-    if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
-      if ! _ssh_remote_cmd "$_cmdstr"; then
+    if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
+      # scp the file
+      _local_ca_file=$(_mktemp)
+      if [ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_KEYFILE" ]; then
+        cat "$_ckey" >>"$_local_ca_file"
+      fi
+      if [ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_CERTFILE" ]; then
+        cat "$_ccert" >>"$_local_ca_file"
+      fi
+      cat "$_cca" >>"$_local_ca_file"
+      if ! _scp_remote_cmd "$_local_ca_file" "$DEPLOY_SSH_CAFILE"; then
         return $_err_code
       fi
-      _cmdstr=""
+    else
+      # ssh echo to the file
+      _cmdstr="$_cmdstr echo \"$(cat "$_cca")\" $_pipe $DEPLOY_SSH_CAFILE;"
+      _info "will copy CA file to remote file $DEPLOY_SSH_CAFILE"
+      if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
   fi
 
-  # FULLCHAIN is optional.
-  # If provided then fullchain certificate will be copied or appended to provided filename.
-  _getdeployconf DEPLOY_SSH_FULLCHAIN
-  _debug2 DEPLOY_SSH_FULLCHAIN "$DEPLOY_SSH_FULLCHAIN"
   if [ -n "$DEPLOY_SSH_FULLCHAIN" ]; then
-    Le_Deploy_ssh_fullchain="$DEPLOY_SSH_FULLCHAIN"
-    _savedomainconf Le_Deploy_ssh_fullchain "$Le_Deploy_ssh_fullchain"
-  fi
-  if [ -n "$Le_Deploy_ssh_fullchain" ]; then
     _pipe=">"
-    if [ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_keyfile" ] ||
-      [ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_certfile" ] ||
-      [ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_cafile" ]; then
+    if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_KEYFILE" ] ||
+      [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CERTFILE" ] ||
+      [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CAFILE" ]; then
       # if filename is same as previous file then append.
       _pipe=">>"
-    elif [ "$Le_Deploy_ssh_backup" = "yes" ]; then
+    elif [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
       # backup file we are about to overwrite.
-      _cmdstr="$_cmdstr cp $Le_Deploy_ssh_fullchain $_backupdir >/dev/null;"
+      _cmdstr="$_cmdstr cp $DEPLOY_SSH_FULLCHAIN $_backupdir >/dev/null;"
+      if [ "$DEPLOY_SSH_FULLCHAIN" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
+
     # copy new certificate into file.
-    _cmdstr="$_cmdstr echo \"$(cat "$_cfullchain")\" $_pipe $Le_Deploy_ssh_fullchain;"
-    _info "will copy fullchain to remote file $Le_Deploy_ssh_fullchain"
-    if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
-      if ! _ssh_remote_cmd "$_cmdstr"; then
+    if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
+      # scp the file
+      _local_full_file=$(_mktemp)
+      if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_KEYFILE" ]; then
+        cat "$_ckey" >>"$_local_full_file"
+      fi
+      if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CERTFILE" ]; then
+        cat "$_ccert" >>"$_local_full_file"
+      fi
+      if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CAFILE" ]; then
+        cat "$_cca" >>"$_local_full_file"
+      fi
+      cat "$_cfullchain" >>"$_local_full_file"
+      if ! _scp_remote_cmd "$_local_full_file" "$DEPLOY_SSH_FULLCHAIN"; then
         return $_err_code
       fi
-      _cmdstr=""
+    else
+      # ssh echo to the file
+      _cmdstr="$_cmdstr echo \"$(cat "$_cfullchain")\" $_pipe $DEPLOY_SSH_FULLCHAIN;"
+      _info "will copy fullchain to remote file $DEPLOY_SSH_FULLCHAIN"
+      if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
+        if ! _ssh_remote_cmd "$_cmdstr"; then
+          return $_err_code
+        fi
+        _cmdstr=""
+      fi
     fi
   fi
 
-  # REMOTE_CMD is optional.
-  # If provided then this command will be executed on remote host.
-  _getdeployconf DEPLOY_SSH_REMOTE_CMD
-  _debug2 DEPLOY_SSH_REMOTE_CMD "$DEPLOY_SSH_REMOTE_CMD"
-  if [ -n "$DEPLOY_SSH_REMOTE_CMD" ]; then
-    Le_Deploy_ssh_remote_cmd="$DEPLOY_SSH_REMOTE_CMD"
-    _savedomainconf Le_Deploy_ssh_remote_cmd "$Le_Deploy_ssh_remote_cmd"
+  # cleanup local files if any
+  if [ -f "$_local_cert_file" ]; then
+    rm -f "$_local_cert_file"
+  fi
+  if [ -f "$_local_ca_file" ]; then
+    rm -f "$_local_ca_file"
   fi
-  if [ -n "$Le_Deploy_ssh_remote_cmd" ]; then
-    _cmdstr="$_cmdstr $Le_Deploy_ssh_remote_cmd;"
-    _info "Will execute remote command $Le_Deploy_ssh_remote_cmd"
-    if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
+  if [ -f "$_local_full_file" ]; then
+    rm -f "$_local_full_file"
+  fi
+
+  if [ -n "$DEPLOY_SSH_REMOTE_CMD" ]; then
+    _cmdstr="$_cmdstr $DEPLOY_SSH_REMOTE_CMD;"
+    _info "Will execute remote command $DEPLOY_SSH_REMOTE_CMD"
+    if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
       if ! _ssh_remote_cmd "$_cmdstr"; then
         return $_err_code
       fi
@@ -282,17 +410,25 @@ then rm -rf \"\$fn\"; echo \"Backup \$fn deleted as older than 180 days\"; fi; d
       return $_err_code
     fi
   fi
+  # cleanup in case all is ok
   return 0
 }
 
 #cmd
 _ssh_remote_cmd() {
   _cmd="$1"
+
+  _ssh_cmd="$DEPLOY_SSH_CMD"
+  if [ -n "$_port" ]; then
+    _ssh_cmd="$_ssh_cmd -p $_port"
+  fi
+
   _secure_debug "Remote commands to execute: $_cmd"
-  _info "Submitting sequence of commands to remote server by ssh"
+  _info "Submitting sequence of commands to remote server by $_ssh_cmd"
+
   # quotations in bash cmd below intended.  Squash travis spellcheck error
   # shellcheck disable=SC2029
-  $Le_Deploy_ssh_cmd "$Le_Deploy_ssh_user@$Le_Deploy_ssh_server" sh -c "'$_cmd'"
+  $_ssh_cmd "$DEPLOY_SSH_USER@$_host" sh -c "'$_cmd'"
   _err_code="$?"
 
   if [ "$_err_code" != "0" ]; then
@@ -301,3 +437,26 @@ _ssh_remote_cmd() {
 
   return $_err_code
 }
+
+# cmd scp
+_scp_remote_cmd() {
+  _src=$1
+  _dest=$2
+
+  _scp_cmd="$DEPLOY_SSH_SCP_CMD"
+  if [ -n "$_port" ]; then
+    _scp_cmd="$_scp_cmd -P $_port"
+  fi
+
+  _secure_debug "Remote copy source $_src to destination $_dest"
+  _info "Submitting secure copy by $_scp_cmd"
+
+  $_scp_cmd "$_src" "$DEPLOY_SSH_USER"@"$_host":"$_dest"
+  _err_code="$?"
+
+  if [ "$_err_code" != "0" ]; then
+    _err "Error code $_err_code returned from scp"
+  fi
+
+  return $_err_code
+}
diff --git a/deploy/truenas.sh b/deploy/truenas.sh
index 84cfd5f4..c79e6dac 100644
--- a/deploy/truenas.sh
+++ b/deploy/truenas.sh
@@ -184,6 +184,27 @@ truenas_deploy() {
     _info "S3 certificate is not configured or is not the same as TrueNAS web UI"
   fi
 
+  _info "Checking if any chart release Apps is using the same certificate as TrueNAS web UI. Tool 'jq' is required"
+  if _exists jq; then
+    _info "Query all chart release"
+    _release_list=$(_get "$_api_url/chart/release")
+    _related_name_list=$(printf "%s" "$_release_list" | jq -r "[.[] | {name,certId: .config.ingress?.main.tls[]?.scaleCert} | select(.certId==$_active_cert_id) | .name ] | unique")
+    _release_length=$(printf "%s" "$_related_name_list" | jq -r "length")
+    _info "Found $_release_length related chart release in list: $_related_name_list"
+    for i in $(seq 0 $((_release_length - 1))); do
+      _release_name=$(echo "$_related_name_list" | jq -r ".[$i]")
+      _info "Updating certificate from $_active_cert_id to $_cert_id for chart release: $_release_name"
+      #Read the chart release configuration
+      _chart_config=$(printf "%s" "$_release_list" | jq -r ".[] | select(.name==\"$_release_name\")")
+      #Replace the old certificate id with the new one in path .config.ingress.main.tls[].scaleCert. Then update .config.ingress
+      _updated_chart_config=$(printf "%s" "$_chart_config" | jq "(.config.ingress?.main.tls[]? | select(.scaleCert==$_active_cert_id) | .scaleCert  ) |= $_cert_id | .config.ingress ")
+      _update_chart_result="$(_post "{\"values\" : { \"ingress\" : $_updated_chart_config } }" "$_api_url/chart/release/id/$_release_name" "" "PUT" "application/json")"
+      _debug3 _update_chart_result "$_update_chart_result"
+    done
+  else
+    _info "Tool 'jq' does not exists, skip chart release checking"
+  fi
+
   _info "Deleting old certificate"
   _delete_result="$(_post "" "$_api_url/certificate/id/$_active_cert_id" "" "DELETE" "application/json")"
 
diff --git a/deploy/vault.sh b/deploy/vault.sh
index 399abaee..569faba2 100644
--- a/deploy/vault.sh
+++ b/deploy/vault.sh
@@ -7,13 +7,16 @@
 #
 # VAULT_PREFIX - this contains the prefix path in vault
 # VAULT_ADDR - vault requires this to find your vault server
+# VAULT_SAVE_TOKEN - set to anything if you want to save the token
+# VAULT_RENEW_TOKEN - set to anything if you want to renew the token to default TTL before deploying
+# VAULT_KV_V2 - set to anything if you are using v2 of the kv engine
 #
 # additionally, you need to ensure that VAULT_TOKEN is avialable
 # to access the vault server
 
 #returns 0 means success, otherwise error.
 
-########  Public functions #####################
+######## Public functions #####################
 
 #domain keyfile certfile cafile fullchain
 vault_deploy() {
@@ -45,6 +48,26 @@ vault_deploy() {
   fi
   _savedeployconf VAULT_ADDR "$VAULT_ADDR"
 
+  _getdeployconf VAULT_SAVE_TOKEN
+  _savedeployconf VAULT_SAVE_TOKEN "$VAULT_SAVE_TOKEN"
+
+  _getdeployconf VAULT_RENEW_TOKEN
+  _savedeployconf VAULT_RENEW_TOKEN "$VAULT_RENEW_TOKEN"
+
+  _getdeployconf VAULT_KV_V2
+  _savedeployconf VAULT_KV_V2 "$VAULT_KV_V2"
+
+  _getdeployconf VAULT_TOKEN
+  if [ -z "$VAULT_TOKEN" ]; then
+    _err "VAULT_TOKEN needs to be defined"
+    return 1
+  fi
+  if [ -n "$VAULT_SAVE_TOKEN" ]; then
+    _savedeployconf VAULT_TOKEN "$VAULT_TOKEN"
+  fi
+
+  _migratedeployconf FABIO VAULT_FABIO_MODE
+
   # JSON does not allow multiline strings.
   # So replacing new-lines with "\n" here
   _ckey=$(sed -z 's/\n/\\n/g' <"$2")
@@ -52,26 +75,56 @@ vault_deploy() {
   _cca=$(sed -z 's/\n/\\n/g' <"$4")
   _cfullchain=$(sed -z 's/\n/\\n/g' <"$5")
 
-  URL="$VAULT_ADDR/v1/$VAULT_PREFIX/$_cdomain"
   export _H1="X-Vault-Token: $VAULT_TOKEN"
 
-  if [ -n "$FABIO" ]; then
+  if [ -n "$VAULT_RENEW_TOKEN" ]; then
+    URL="$VAULT_ADDR/v1/auth/token/renew-self"
+    _info "Renew the Vault token to default TTL"
+    if ! _post "" "$URL" >/dev/null; then
+      _err "Failed to renew the Vault token"
+      return 1
+    fi
+  fi
+
+  URL="$VAULT_ADDR/v1/$VAULT_PREFIX/$_cdomain"
+
+  if [ -n "$VAULT_FABIO_MODE" ]; then
+    _info "Writing certificate and key to $URL in Fabio mode"
     if [ -n "$VAULT_KV_V2" ]; then
-      _post "{ \"data\": {\"cert\": \"$_cfullchain\", \"key\": \"$_ckey\"} }" "$URL"
+      _post "{ \"data\": {\"cert\": \"$_cfullchain\", \"key\": \"$_ckey\"} }" "$URL" >/dev/null || return 1
     else
-      _post "{\"cert\": \"$_cfullchain\", \"key\": \"$_ckey\"}" "$URL"
+      _post "{\"cert\": \"$_cfullchain\", \"key\": \"$_ckey\"}" "$URL" >/dev/null || return 1
     fi
   else
     if [ -n "$VAULT_KV_V2" ]; then
-      _post "{\"data\": {\"value\": \"$_ccert\"}}" "$URL/cert.pem"
-      _post "{\"data\": {\"value\": \"$_ckey\"}}" "$URL/cert.key"
-      _post "{\"data\": {\"value\": \"$_cca\"}}" "$URL/chain.pem"
-      _post "{\"data\": {\"value\": \"$_cfullchain\"}}" "$URL/fullchain.pem"
+      _info "Writing certificate to $URL/cert.pem"
+      _post "{\"data\": {\"value\": \"$_ccert\"}}" "$URL/cert.pem" >/dev/null || return 1
+      _info "Writing key to $URL/cert.key"
+      _post "{\"data\": {\"value\": \"$_ckey\"}}" "$URL/cert.key" >/dev/null || return 1
+      _info "Writing CA certificate to $URL/ca.pem"
+      _post "{\"data\": {\"value\": \"$_cca\"}}" "$URL/ca.pem" >/dev/null || return 1
+      _info "Writing full-chain certificate to $URL/fullchain.pem"
+      _post "{\"data\": {\"value\": \"$_cfullchain\"}}" "$URL/fullchain.pem" >/dev/null || return 1
     else
-      _post "{\"value\": \"$_ccert\"}" "$URL/cert.pem"
-      _post "{\"value\": \"$_ckey\"}" "$URL/cert.key"
-      _post "{\"value\": \"$_cca\"}" "$URL/chain.pem"
-      _post "{\"value\": \"$_cfullchain\"}" "$URL/fullchain.pem"
+      _info "Writing certificate to $URL/cert.pem"
+      _post "{\"value\": \"$_ccert\"}" "$URL/cert.pem" >/dev/null || return 1
+      _info "Writing key to $URL/cert.key"
+      _post "{\"value\": \"$_ckey\"}" "$URL/cert.key" >/dev/null || return 1
+      _info "Writing CA certificate to $URL/ca.pem"
+      _post "{\"value\": \"$_cca\"}" "$URL/ca.pem" >/dev/null || return 1
+      _info "Writing full-chain certificate to $URL/fullchain.pem"
+      _post "{\"value\": \"$_cfullchain\"}" "$URL/fullchain.pem" >/dev/null || return 1
+    fi
+
+    # To make it compatible with the wrong ca path `chain.pem` which was used in former versions
+    if _contains "$(_get "$URL/chain.pem")" "-----BEGIN CERTIFICATE-----"; then
+      _err "The CA certificate has moved from chain.pem to ca.pem, if you don't depend on chain.pem anymore, you can delete it to avoid this warning"
+      _info "Updating CA certificate to $URL/chain.pem for backward compatibility"
+      if [ -n "$VAULT_KV_V2" ]; then
+        _post "{\"data\": {\"value\": \"$_cca\"}}" "$URL/chain.pem" >/dev/null || return 1
+      else
+        _post "{\"value\": \"$_cca\"}" "$URL/chain.pem" >/dev/null || return 1
+      fi
     fi
   fi
 
diff --git a/deploy/vault_cli.sh b/deploy/vault_cli.sh
index cbb8cc59..3ebb8074 100644
--- a/deploy/vault_cli.sh
+++ b/deploy/vault_cli.sh
@@ -8,6 +8,8 @@
 #
 # VAULT_PREFIX - this contains the prefix path in vault
 # VAULT_ADDR - vault requires this to find your vault server
+# VAULT_SAVE_TOKEN - set to anything if you want to save the token
+# VAULT_RENEW_TOKEN - set to anything if you want to renew the token to default TTL before deploying
 #
 # additionally, you need to ensure that VAULT_TOKEN is avialable or
 # `vault auth` has applied the appropriate authorization for the vault binary
@@ -33,15 +35,36 @@ vault_cli_deploy() {
   _debug _cfullchain "$_cfullchain"
 
   # validate required env vars
+  _getdeployconf VAULT_PREFIX
   if [ -z "$VAULT_PREFIX" ]; then
     _err "VAULT_PREFIX needs to be defined (contains prefix path in vault)"
     return 1
   fi
+  _savedeployconf VAULT_PREFIX "$VAULT_PREFIX"
 
+  _getdeployconf VAULT_ADDR
   if [ -z "$VAULT_ADDR" ]; then
     _err "VAULT_ADDR needs to be defined (contains vault connection address)"
     return 1
   fi
+  _savedeployconf VAULT_ADDR "$VAULT_ADDR"
+
+  _getdeployconf VAULT_SAVE_TOKEN
+  _savedeployconf VAULT_SAVE_TOKEN "$VAULT_SAVE_TOKEN"
+
+  _getdeployconf VAULT_RENEW_TOKEN
+  _savedeployconf VAULT_RENEW_TOKEN "$VAULT_RENEW_TOKEN"
+
+  _getdeployconf VAULT_TOKEN
+  if [ -z "$VAULT_TOKEN" ]; then
+    _err "VAULT_TOKEN needs to be defined"
+    return 1
+  fi
+  if [ -n "$VAULT_SAVE_TOKEN" ]; then
+    _savedeployconf VAULT_TOKEN "$VAULT_TOKEN"
+  fi
+
+  _migratedeployconf FABIO VAULT_FABIO_MODE
 
   VAULT_CMD=$(command -v vault)
   if [ ! $? ]; then
@@ -49,13 +72,33 @@ vault_cli_deploy() {
     return 1
   fi
 
-  if [ -n "$FABIO" ]; then
+  if [ -n "$VAULT_RENEW_TOKEN" ]; then
+    _info "Renew the Vault token to default TTL"
+    if ! $VAULT_CMD token renew; then
+      _err "Failed to renew the Vault token"
+      return 1
+    fi
+  fi
+
+  if [ -n "$VAULT_FABIO_MODE" ]; then
+    _info "Writing certificate and key to ${VAULT_PREFIX}/${_cdomain} in Fabio mode"
     $VAULT_CMD kv put "${VAULT_PREFIX}/${_cdomain}" cert=@"$_cfullchain" key=@"$_ckey" || return 1
   else
+    _info "Writing certificate to ${VAULT_PREFIX}/${_cdomain}/cert.pem"
     $VAULT_CMD kv put "${VAULT_PREFIX}/${_cdomain}/cert.pem" value=@"$_ccert" || return 1
+    _info "Writing key to ${VAULT_PREFIX}/${_cdomain}/cert.key"
     $VAULT_CMD kv put "${VAULT_PREFIX}/${_cdomain}/cert.key" value=@"$_ckey" || return 1
-    $VAULT_CMD kv put "${VAULT_PREFIX}/${_cdomain}/chain.pem" value=@"$_cca" || return 1
+    _info "Writing CA certificate to ${VAULT_PREFIX}/${_cdomain}/ca.pem"
+    $VAULT_CMD kv put "${VAULT_PREFIX}/${_cdomain}/ca.pem" value=@"$_cca" || return 1
+    _info "Writing full-chain certificate to ${VAULT_PREFIX}/${_cdomain}/fullchain.pem"
     $VAULT_CMD kv put "${VAULT_PREFIX}/${_cdomain}/fullchain.pem" value=@"$_cfullchain" || return 1
+
+    # To make it compatible with the wrong ca path `chain.pem` which was used in former versions
+    if $VAULT_CMD kv get "${VAULT_PREFIX}/${_cdomain}/chain.pem" >/dev/null; then
+      _err "The CA certificate has moved from chain.pem to ca.pem, if you don't depend on chain.pem anymore, you can delete it to avoid this warning"
+      _info "Updating CA certificate to ${VAULT_PREFIX}/${_cdomain}/chain.pem for backward compatibility"
+      $VAULT_CMD kv put "${VAULT_PREFIX}/${_cdomain}/chain.pem" value=@"$_cca" || return 1
+    fi
   fi
 
 }
diff --git a/dnsapi/dns_acmeproxy.sh b/dnsapi/dns_acmeproxy.sh
index d4a0e172..9d5533f9 100644
--- a/dnsapi/dns_acmeproxy.sh
+++ b/dnsapi/dns_acmeproxy.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
-## Acmeproxy DNS provider to be used with acmeproxy (http://github.com/mdbraber/acmeproxy)
+## Acmeproxy DNS provider to be used with acmeproxy (https://github.com/mdbraber/acmeproxy)
 ## API integration by Maarten den Braber
 ##
 ## Report any bugs via https://github.com/mdbraber/acme.sh
diff --git a/dnsapi/dns_arvan.sh b/dnsapi/dns_arvan.sh
index 4c9217e5..4ca5b685 100644
--- a/dnsapi/dns_arvan.sh
+++ b/dnsapi/dns_arvan.sh
@@ -1,10 +1,10 @@
 #!/usr/bin/env sh
 
-#Arvan_Token="Apikey xxxx"
+# Arvan_Token="Apikey xxxx"
 
-ARVAN_API_URL="https://napi.arvancloud.com/cdn/4.0/domains"
-#Author: Vahid Fardi
-#Report Bugs here: https://github.com/Neilpang/acme.sh
+ARVAN_API_URL="https://napi.arvancloud.ir/cdn/4.0/domains"
+# Author: Vahid Fardi
+# Report Bugs here: https://github.com/Neilpang/acme.sh
 #
 ########  Public functions #####################
 
@@ -18,7 +18,7 @@ dns_arvan_add() {
 
   if [ -z "$Arvan_Token" ]; then
     _err "You didn't specify \"Arvan_Token\" token yet."
-    _err "You can get yours from here https://npanel.arvancloud.com/profile/api-keys"
+    _err "You can get yours from here https://npanel.arvancloud.ir/profile/api-keys"
     return 1
   fi
   #save the api token to the account conf file.
@@ -40,7 +40,7 @@ dns_arvan_add() {
       _info "response id is $response"
       _info "Added, OK"
       return 0
-    elif _contains "$response" "Record Data is Duplicated"; then
+    elif _contains "$response" "Record Data is duplicate"; then
       _info "Already exists, OK"
       return 0
     else
@@ -141,6 +141,7 @@ _arvan_rest() {
     response="$(_post "$data" "$ARVAN_API_URL/$ep" "" "$mtd")"
   elif [ "$mtd" = "POST" ]; then
     export _H2="Content-Type: application/json"
+    export _H3="Accept: application/json"
     _debug data "$data"
     response="$(_post "$data" "$ARVAN_API_URL/$ep" "" "$mtd")"
   else
diff --git a/dnsapi/dns_cloudns.sh b/dnsapi/dns_cloudns.sh
index b03fd579..8d7fd437 100755
--- a/dnsapi/dns_cloudns.sh
+++ b/dnsapi/dns_cloudns.sh
@@ -78,7 +78,7 @@ dns_cloudns_rm() {
     return 1
   fi
 
-  for i in $(echo "$response" | tr '{' "\n" | grep "$record"); do
+  for i in $(echo "$response" | tr '{' "\n" | grep -- "$record"); do
     record_id=$(echo "$i" | tr ',' "\n" | grep -E '^"id"' | sed -re 's/^\"id\"\:\"([0-9]+)\"$/\1/g')
 
     if [ -n "$record_id" ]; then
diff --git a/dnsapi/dns_dynv6.sh b/dnsapi/dns_dynv6.sh
index 9efc9aeb..90814b1b 100644
--- a/dnsapi/dns_dynv6.sh
+++ b/dnsapi/dns_dynv6.sh
@@ -94,8 +94,8 @@ _get_domain() {
   _your_hosts="$(echo "$_your_hosts" | awk '/\./ {print $1}')"
   for l in $_your_hosts; do
     #echo "host: $l"
-    if test "${_full_domain#*$l}" != "$_full_domain"; then
-      _record="${_full_domain%.$l}"
+    if test "${_full_domain#*"$l"}" != "$_full_domain"; then
+      _record=${_full_domain%."$l"}
       _host=$l
       _debug "The host is $_host and the record $_record"
       return 0
@@ -143,7 +143,7 @@ _dns_dynv6_add_http() {
     return 1
   fi
   _get_zone_name "$_zone_id"
-  record="${fulldomain%%.$_zone_name}"
+  record=${fulldomain%%."$_zone_name"}
   _set_record TXT "$record" "$txtvalue"
   if _contains "$response" "$txtvalue"; then
     _info "Successfully added record"
@@ -161,7 +161,7 @@ _dns_dynv6_rm_http() {
     return 1
   fi
   _get_zone_name "$_zone_id"
-  record="${fulldomain%%.$_zone_name}"
+  record=${fulldomain%%."$_zone_name"}
   _get_record_id "$_zone_id" "$record" "$txtvalue"
   _del_record "$_zone_id" "$_record_id"
   if [ -z "$response" ]; then
diff --git a/dnsapi/dns_edgedns.sh b/dnsapi/dns_edgedns.sh
index 11c132fa..27650eb1 100755
--- a/dnsapi/dns_edgedns.sh
+++ b/dnsapi/dns_edgedns.sh
@@ -418,7 +418,7 @@ _edgedns_make_data_to_sign() {
   _secure_debug2 "hdr" "$hdr"
   _edgedns_make_content_hash
   path="$(echo "$_request_url_path" | tr -d "\n\r" | sed 's/https\?:\/\///')"
-  path="${path#*$AKAMAI_HOST}"
+  path=${path#*"$AKAMAI_HOST"}
   _debug "hier path" "$path"
   # dont expose headers to sign so use MT string
   _mdata="$(printf "%s\thttps\t%s\t%s\t%s\t%s\t%s" "$_request_method" "$AKAMAI_HOST" "$path" "" "$_hash" "$hdr")"
diff --git a/dnsapi/dns_gandi_livedns.sh b/dnsapi/dns_gandi_livedns.sh
index 87119521..931da883 100644
--- a/dnsapi/dns_gandi_livedns.sh
+++ b/dnsapi/dns_gandi_livedns.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env sh
 
 # Gandi LiveDNS v5 API
-# http://doc.livedns.gandi.net/
+# https://doc.livedns.gandi.net/
 # currently under beta
 #
 # Requires GANDI API KEY set in GANDI_LIVEDNS_KEY set as environment variable
diff --git a/dnsapi/dns_gcore.sh b/dnsapi/dns_gcore.sh
new file mode 100755
index 00000000..d549a650
--- /dev/null
+++ b/dnsapi/dns_gcore.sh
@@ -0,0 +1,187 @@
+#!/usr/bin/env sh
+
+#
+#GCORE_Key='773$7b7adaf2a2b32bfb1b83787b4ff32a67eb178e3ada1af733e47b1411f2461f7f4fa7ed7138e2772a46124377bad7384b3bb8d87748f87b3f23db4b8bbe41b2bb'
+#
+
+GCORE_Api="https://api.gcorelabs.com/dns/v2"
+GCORE_Doc="https://apidocs.gcore.com/dns"
+
+########  Public functions #####################
+
+#Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_gcore_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  GCORE_Key="${GCORE_Key:-$(_readaccountconf_mutable GCORE_Key)}"
+
+  if [ -z "$GCORE_Key" ]; then
+    GCORE_Key=""
+    _err "You didn't specify a Gcore api key yet."
+    _err "You can get yours from here $GCORE_Doc"
+    return 1
+  fi
+
+  #save the api key to the account conf file.
+  _saveaccountconf_mutable GCORE_Key "$GCORE_Key"
+
+  _debug "First detect the zone name"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _zone_name "$_zone_name"
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  _debug "Getting txt records"
+  _gcore_rest GET "zones/$_zone_name/$fulldomain/TXT"
+  payload=""
+
+  if echo "$response" | grep "record is not found" >/dev/null; then
+    _info "Record doesn't exists"
+    payload="{\"resource_records\":[{\"content\":[\"$txtvalue\"],\"enabled\":true}],\"ttl\":120}"
+  elif echo "$response" | grep "$txtvalue" >/dev/null; then
+    _info "Already exists, OK"
+    return 0
+  elif echo "$response" | tr -d " " | grep \"name\":\""$fulldomain"\",\"type\":\"TXT\" >/dev/null; then
+    _info "Record with mismatch txtvalue, try update it"
+    payload=$(echo "$response" | tr -d " " | sed 's/"updated_at":[0-9]\+,//g' | sed 's/"meta":{}}]}/"meta":{}},{"content":['\""$txtvalue"\"'],"enabled":true}]}/')
+  fi
+
+  # For wildcard cert, the main root domain and the wildcard domain have the same txt subdomain name, so
+  # we can not use updating anymore.
+  #  count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
+  #  _debug count "$count"
+  #  if [ "$count" = "0" ]; then
+  _info "Adding record"
+  if _gcore_rest PUT "zones/$_zone_name/$fulldomain/TXT" "$payload"; then
+    if _contains "$response" "$txtvalue"; then
+      _info "Added, OK"
+      return 0
+    elif _contains "$response" "rrset is already exists"; then
+      _info "Already exists, OK"
+      return 0
+    else
+      _err "Add txt record error."
+      return 1
+    fi
+  fi
+  _err "Add txt record error."
+  return 1
+}
+
+#fulldomain txtvalue
+dns_gcore_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  GCORE_Key="${GCORE_Key:-$(_readaccountconf_mutable GCORE_Key)}"
+
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _zone_name "$_zone_name"
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  _debug "Getting txt records"
+  _gcore_rest GET "zones/$_zone_name/$fulldomain/TXT"
+
+  if echo "$response" | grep "record is not found" >/dev/null; then
+    _info "No such txt recrod"
+    return 0
+  fi
+
+  if ! echo "$response" | tr -d " " | grep \"name\":\""$fulldomain"\",\"type\":\"TXT\" >/dev/null; then
+    _err "Error: $response"
+    return 1
+  fi
+
+  if ! echo "$response" | tr -d " " | grep \""$txtvalue"\" >/dev/null; then
+    _info "No such txt recrod"
+    return 0
+  fi
+
+  count="$(echo "$response" | grep -o "content" | wc -l)"
+
+  if [ "$count" = "1" ]; then
+    if ! _gcore_rest DELETE "zones/$_zone_name/$fulldomain/TXT"; then
+      _err "Delete record error. $response"
+      return 1
+    fi
+    return 0
+  fi
+
+  payload="$(echo "$response" | tr -d " " | sed 's/"updated_at":[0-9]\+,//g' | sed 's/{"id":[0-9]\+,"content":\["'"$txtvalue"'"\],"enabled":true,"meta":{}}//' | sed 's/\[,/\[/' | sed 's/,,/,/' | sed 's/,\]/\]/')"
+  if ! _gcore_rest PUT "zones/$_zone_name/$fulldomain/TXT" "$payload"; then
+    _err "Delete record error. $response"
+  fi
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.sub.domain.com
+#returns
+# _sub_domain=_acme-challenge.sub or _acme-challenge
+# _domain=domain.com
+# _zone_name=domain.com or sub.domain.com
+_get_root() {
+  domain=$1
+  i=1
+  p=1
+
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _debug h "$h"
+    if [ -z "$h" ]; then
+      #not valid
+      return 1
+    fi
+
+    if ! _gcore_rest GET "zones/$h"; then
+      return 1
+    fi
+
+    if _contains "$response" "\"name\":\"$h\""; then
+      _zone_name=$h
+      if [ "$_zone_name" ]; then
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _domain=$h
+        return 0
+      fi
+      return 1
+    fi
+    p=$i
+    i=$(_math "$i" + 1)
+  done
+  return 1
+}
+
+_gcore_rest() {
+  m=$1
+  ep="$2"
+  data="$3"
+  _debug "$ep"
+
+  key_trimmed=$(echo "$GCORE_Key" | tr -d '"')
+
+  export _H1="Content-Type: application/json"
+  export _H2="Authorization: APIKey $key_trimmed"
+
+  if [ "$m" != "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "$GCORE_Api/$ep" "" "$m")"
+  else
+    response="$(_get "$GCORE_Api/$ep")"
+  fi
+
+  if [ "$?" != "0" ]; then
+    _err "error $ep"
+    return 1
+  fi
+  _debug2 response "$response"
+  return 0
+}
diff --git a/dnsapi/dns_gd.sh b/dnsapi/dns_gd.sh
index 44c3d279..1729115e 100755
--- a/dnsapi/dns_gd.sh
+++ b/dnsapi/dns_gd.sh
@@ -22,8 +22,8 @@ dns_gd_add() {
   if [ -z "$GD_Key" ] || [ -z "$GD_Secret" ]; then
     GD_Key=""
     GD_Secret=""
-    _err "You don't specify godaddy api key and secret yet."
-    _err "Please create you key and try again."
+    _err "You didn't specify godaddy api key and secret yet."
+    _err "Please create your key and try again."
     return 1
   fi
 
@@ -46,7 +46,7 @@ dns_gd_add() {
   fi
 
   if _contains "$response" "$txtvalue"; then
-    _info "The record is existing, skip"
+    _info "This record already exists, skipping"
     return 0
   fi
 
diff --git a/dnsapi/dns_googledomains.sh b/dnsapi/dns_googledomains.sh
new file mode 100755
index 00000000..63e3073b
--- /dev/null
+++ b/dnsapi/dns_googledomains.sh
@@ -0,0 +1,173 @@
+#!/usr/bin/env sh
+
+# Author: Alex Leigh <leigh at alexleigh dot me>
+# Created: 2023-03-02
+
+#GOOGLEDOMAINS_ACCESS_TOKEN="xxxx"
+#GOOGLEDOMAINS_ZONE="xxxx"
+GOOGLEDOMAINS_API="https://acmedns.googleapis.com/v1/acmeChallengeSets"
+
+######## Public functions ########
+
+#Usage: dns_googledomains_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_googledomains_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _info "Invoking Google Domains ACME DNS API."
+
+  if ! _dns_googledomains_setup; then
+    return 1
+  fi
+
+  zone="$(_dns_googledomains_get_zone "$fulldomain")"
+  if [ -z "$zone" ]; then
+    _err "Could not find a Google Domains-managed zone containing the requested domain."
+    return 1
+  fi
+
+  _debug zone "$zone"
+  _debug txtvalue "$txtvalue"
+
+  _info "Adding TXT record for $fulldomain."
+  if _dns_googledomains_api "$zone" ":rotateChallenges" "{\"accessToken\":\"$GOOGLEDOMAINS_ACCESS_TOKEN\",\"recordsToAdd\":[{\"fqdn\":\"$fulldomain\",\"digest\":\"$txtvalue\"}],\"keepExpiredRecords\":true}"; then
+    if _contains "$response" "$txtvalue"; then
+      _info "TXT record added."
+      return 0
+    else
+      _err "Error adding TXT record."
+      return 1
+    fi
+  fi
+
+  _err "Error adding TXT record."
+  return 1
+}
+
+#Usage: dns_googledomains_rm   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_googledomains_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _info "Invoking Google Domains ACME DNS API."
+
+  if ! _dns_googledomains_setup; then
+    return 1
+  fi
+
+  zone="$(_dns_googledomains_get_zone "$fulldomain")"
+  if [ -z "$zone" ]; then
+    _err "Could not find a Google Domains-managed domain based on request."
+    return 1
+  fi
+
+  _debug zone "$zone"
+  _debug txtvalue "$txtvalue"
+
+  _info "Removing TXT record for $fulldomain."
+  if _dns_googledomains_api "$zone" ":rotateChallenges" "{\"accessToken\":\"$GOOGLEDOMAINS_ACCESS_TOKEN\",\"recordsToRemove\":[{\"fqdn\":\"$fulldomain\",\"digest\":\"$txtvalue\"}],\"keepExpiredRecords\":true}"; then
+    if _contains "$response" "$txtvalue"; then
+      _err "Error removing TXT record."
+      return 1
+    else
+      _info "TXT record removed."
+      return 0
+    fi
+  fi
+
+  _err "Error removing TXT record."
+  return 1
+}
+
+######## Private functions ########
+
+_dns_googledomains_setup() {
+  if [ -n "$GOOGLEDOMAINS_SETUP_COMPLETED" ]; then
+    return 0
+  fi
+
+  GOOGLEDOMAINS_ACCESS_TOKEN="${GOOGLEDOMAINS_ACCESS_TOKEN:-$(_readaccountconf_mutable GOOGLEDOMAINS_ACCESS_TOKEN)}"
+  GOOGLEDOMAINS_ZONE="${GOOGLEDOMAINS_ZONE:-$(_readaccountconf_mutable GOOGLEDOMAINS_ZONE)}"
+
+  if [ -z "$GOOGLEDOMAINS_ACCESS_TOKEN" ]; then
+    GOOGLEDOMAINS_ACCESS_TOKEN=""
+    _err "Google Domains access token was not specified."
+    _err "Please visit Google Domains Security settings to provision an ACME DNS API access token."
+    return 1
+  fi
+
+  if [ "$GOOGLEDOMAINS_ZONE" ]; then
+    _savedomainconf GOOGLEDOMAINS_ACCESS_TOKEN "$GOOGLEDOMAINS_ACCESS_TOKEN"
+    _savedomainconf GOOGLEDOMAINS_ZONE "$GOOGLEDOMAINS_ZONE"
+  else
+    _saveaccountconf_mutable GOOGLEDOMAINS_ACCESS_TOKEN "$GOOGLEDOMAINS_ACCESS_TOKEN"
+    _clearaccountconf_mutable GOOGLEDOMAINS_ZONE
+    _clearaccountconf GOOGLEDOMAINS_ZONE
+  fi
+
+  _debug GOOGLEDOMAINS_ACCESS_TOKEN "$GOOGLEDOMAINS_ACCESS_TOKEN"
+  _debug GOOGLEDOMAINS_ZONE "$GOOGLEDOMAINS_ZONE"
+
+  GOOGLEDOMAINS_SETUP_COMPLETED=1
+  return 0
+}
+
+_dns_googledomains_get_zone() {
+  domain=$1
+
+  # Use zone directly if provided
+  if [ "$GOOGLEDOMAINS_ZONE" ]; then
+    if ! _dns_googledomains_api "$GOOGLEDOMAINS_ZONE"; then
+      return 1
+    fi
+
+    echo "$GOOGLEDOMAINS_ZONE"
+    return 0
+  fi
+
+  i=2
+  while true; do
+    curr=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _debug curr "$curr"
+
+    if [ -z "$curr" ]; then
+      return 1
+    fi
+
+    if _dns_googledomains_api "$curr"; then
+      echo "$curr"
+      return 0
+    fi
+
+    i=$(_math "$i" + 1)
+  done
+
+  return 1
+}
+
+_dns_googledomains_api() {
+  zone=$1
+  apimethod=$2
+  data="$3"
+
+  if [ -z "$data" ]; then
+    response="$(_get "$GOOGLEDOMAINS_API/$zone$apimethod")"
+  else
+    _debug data "$data"
+    export _H1="Content-Type: application/json"
+    response="$(_post "$data" "$GOOGLEDOMAINS_API/$zone$apimethod")"
+  fi
+
+  _debug response "$response"
+
+  if [ "$?" != "0" ]; then
+    _err "Error"
+    return 1
+  fi
+
+  if _contains "$response" "\"error\": {"; then
+    return 1
+  fi
+
+  return 0
+}
diff --git a/dnsapi/dns_huaweicloud.sh b/dnsapi/dns_huaweicloud.sh
index ceda9258..b61c1d43 100644
--- a/dnsapi/dns_huaweicloud.sh
+++ b/dnsapi/dns_huaweicloud.sh
@@ -23,7 +23,7 @@ dns_huaweicloud_add() {
 
   HUAWEICLOUD_Username="${HUAWEICLOUD_Username:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
   HUAWEICLOUD_Password="${HUAWEICLOUD_Password:-$(_readaccountconf_mutable HUAWEICLOUD_Password)}"
-  HUAWEICLOUD_DomainName="${HUAWEICLOUD_DomainName:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
+  HUAWEICLOUD_DomainName="${HUAWEICLOUD_DomainName:-$(_readaccountconf_mutable HUAWEICLOUD_DomainName)}"
 
   # Check information
   if [ -z "${HUAWEICLOUD_Username}" ] || [ -z "${HUAWEICLOUD_Password}" ] || [ -z "${HUAWEICLOUD_DomainName}" ]; then
@@ -74,7 +74,7 @@ dns_huaweicloud_rm() {
 
   HUAWEICLOUD_Username="${HUAWEICLOUD_Username:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
   HUAWEICLOUD_Password="${HUAWEICLOUD_Password:-$(_readaccountconf_mutable HUAWEICLOUD_Password)}"
-  HUAWEICLOUD_DomainName="${HUAWEICLOUD_DomainName:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
+  HUAWEICLOUD_DomainName="${HUAWEICLOUD_DomainName:-$(_readaccountconf_mutable HUAWEICLOUD_DomainName)}"
 
   # Check information
   if [ -z "${HUAWEICLOUD_Username}" ] || [ -z "${HUAWEICLOUD_Password}" ] || [ -z "${HUAWEICLOUD_DomainName}" ]; then
@@ -98,19 +98,59 @@ dns_huaweicloud_rm() {
   fi
   _debug "Zone ID is:" "${zoneid}"
 
+  record_id="$(_get_recordset_id "${token}" "${fulldomain}" "${zoneid}")"
+  _recursive_rm_record "${token}" "${fulldomain}" "${zoneid}" "${record_id}"
+  ret="$?"
+  if [ "${ret}" != "0" ]; then
+    _err "dns_api(dns_huaweicloud): Error removing record."
+    return 1
+  fi
+
+  return 0
+}
+
+###################  Private functions below ##################################
+
+# _recursive_rm_record
+# remove all records from the record set
+#
+# _token=$1
+# _domain=$2
+# _zoneid=$3
+# _record_id=$4
+#
+# Returns 0 on success
+_recursive_rm_record() {
+  _token=$1
+  _domain=$2
+  _zoneid=$3
+  _record_id=$4
+
+  # Most likely to have problems will huaweicloud side if more than 50 attempts but still cannot fully remove the record set
+  # Maybe can be removed manually in the dashboard
+  _retry_cnt=50
+
   # Remove all records
   # Therotically HuaweiCloud does not allow more than one record set
   # But remove them recurringly to increase robusty
-  while [ "${record_id}" != "0" ]; do
+
+  while [ "${_record_id}" != "0" ] && [ "${_retry_cnt}" != "0" ]; do
     _debug "Removing Record"
-    _rm_record "${token}" "${zoneid}" "${record_id}"
-    record_id="$(_get_recordset_id "${token}" "${fulldomain}" "${zoneid}")"
+    _retry_cnt=$((_retry_cnt - 1))
+    _rm_record "${_token}" "${_zoneid}" "${_record_id}"
+    _record_id="$(_get_recordset_id "${_token}" "${_domain}" "${_zoneid}")"
+    _debug2 "Checking record exists: record_id=${_record_id}"
   done
+
+  # Check if retry count is reached
+  if [ "${_retry_cnt}" = "0" ]; then
+    _debug "Failed to remove record after 50 attempts, please try removing it manually in the dashboard"
+    return 1
+  fi
+
   return 0
 }
 
-###################  Private functions below ##################################
-
 # _get_zoneid
 #
 # _token=$1
@@ -124,7 +164,7 @@ _get_zoneid() {
 
   i=1
   while true; do
-    h=$(printf "%s" "${_domain_string}" | cut -d . -f $i-100)
+    h=$(printf "%s" "${_domain_string}" | cut -d . -f "$i"-100)
     if [ -z "$h" ]; then
       #not valid
       return 1
@@ -135,11 +175,11 @@ _get_zoneid() {
     if _contains "${response}" '"id"'; then
       zoneidlist=$(echo "${response}" | _egrep_o "\"id\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | tr -d " ")
       zonenamelist=$(echo "${response}" | _egrep_o "\"name\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | tr -d " ")
-      _debug2 "Return Zone ID(s):" "${zoneidlist}"
-      _debug2 "Return Zone Name(s):" "${zonenamelist}"
+      _debug2 "Returned Zone ID(s):" "${zoneidlist}"
+      _debug2 "Returned Zone Name(s):" "${zonenamelist}"
       zoneidnum=0
       zoneidcount=$(echo "${zoneidlist}" | grep -c '^')
-      _debug "Retund Zone ID(s) Count:" "${zoneidcount}"
+      _debug "Returned Zone ID(s) Count:" "${zoneidcount}"
       while [ "${zoneidnum}" -lt "${zoneidcount}" ]; do
         zoneidnum=$(_math "$zoneidnum" + 1)
         _zoneid=$(echo "${zoneidlist}" | sed -n "${zoneidnum}p")
@@ -206,8 +246,7 @@ _add_record() {
       \"type\": \"TXT\",
       \"ttl\": 1,
       \"records\": [
-        ${_exist_record},
-        \"\\\"${_txtvalue}\\\"\"
+        ${_exist_record},\"\\\"${_txtvalue}\\\"\"
       ]
     }"
   fi
@@ -215,19 +254,16 @@ _add_record() {
   _record_id="$(_get_recordset_id "${_token}" "${_domain}" "${zoneid}")"
   _debug "Record Set ID is:" "${_record_id}"
 
-  # Remove all records
-  while [ "${_record_id}" != "0" ]; do
-    _debug "Removing Record"
-    _rm_record "${_token}" "${zoneid}" "${_record_id}"
-    _record_id="$(_get_recordset_id "${_token}" "${_domain}" "${zoneid}")"
-  done
-
   # Add brand new records with all old and new records
   export _H2="Content-Type: application/json"
   export _H1="X-Auth-Token: ${_token}"
 
   _debug2 "${_post_body}"
-  _post "${_post_body}" "${dns_api}/v2/zones/${zoneid}/recordsets" >/dev/null
+  if [ -z "${_exist_record}" ]; then
+    _post "${_post_body}" "${dns_api}/v2/zones/${zoneid}/recordsets" >/dev/null
+  else
+    _post "${_post_body}" "${dns_api}/v2/zones/${zoneid}/recordsets/${_record_id}" false "PUT" >/dev/null
+  fi
   _code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")"
   if [ "$_code" != "202" ]; then
     _err "dns_huaweicloud: http code ${_code}"
diff --git a/dnsapi/dns_infomaniak.sh b/dnsapi/dns_infomaniak.sh
index 765cf39d..a005132c 100755
--- a/dnsapi/dns_infomaniak.sh
+++ b/dnsapi/dns_infomaniak.sh
@@ -76,7 +76,7 @@ dns_infomaniak_add() {
   domain_id=${zone_and_id#* }
 
   # extract first part of domain
-  key=${fulldomain%.$zone}
+  key=${fulldomain%."$zone"}
 
   _debug "zone:$zone id:$domain_id key:$key"
 
@@ -149,7 +149,7 @@ dns_infomaniak_rm() {
   domain_id=${zone_and_id#* }
 
   # extract first part of domain
-  key=${fulldomain%.$zone}
+  key=${fulldomain%."$zone"}
 
   _debug "zone:$zone id:$domain_id key:$key"
 
diff --git a/dnsapi/dns_ipv64.sh b/dnsapi/dns_ipv64.sh
new file mode 100755
index 00000000..54470119
--- /dev/null
+++ b/dnsapi/dns_ipv64.sh
@@ -0,0 +1,157 @@
+#!/usr/bin/env sh
+
+#Created by Roman Lumetsberger, to use ipv64.net's API to add/remove text records
+#2022/11/29
+
+# Pass credentials before "acme.sh --issue --dns dns_ipv64 ..."
+# --
+# export IPv64_Token="aaaaaaaaaaaaaaaaaaaaaaaaaa"
+# --
+#
+
+IPv64_API="https://ipv64.net/api"
+
+########  Public functions ######################
+
+#Usage: dns_ipv64_add _acme-challenge.domain.ipv64.net "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_ipv64_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  IPv64_Token="${IPv64_Token:-$(_readaccountconf_mutable IPv64_Token)}"
+  if [ -z "$IPv64_Token" ]; then
+    _err "You must export variable: IPv64_Token"
+    _err "The API Key for your IPv64 account is necessary."
+    _err "You can look it up in your IPv64 account."
+    return 1
+  fi
+
+  # Now save the credentials.
+  _saveaccountconf_mutable IPv64_Token "$IPv64_Token"
+
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain" "$fulldomain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  # convert to lower case
+  _domain="$(echo "$_domain" | _lower_case)"
+  _sub_domain="$(echo "$_sub_domain" | _lower_case)"
+  # Now add the TXT record
+  _info "Trying to add TXT record"
+  if _ipv64_rest "POST" "add_record=$_domain&praefix=$_sub_domain&type=TXT&content=$txtvalue"; then
+    _info "TXT record has been successfully added."
+    return 0
+  else
+    _err "Errors happened during adding the TXT record, response=$_response"
+    return 1
+  fi
+
+}
+
+#Usage: fulldomain txtvalue
+#Usage: dns_ipv64_rm _acme-challenge.domain.ipv64.net "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+#Remove the txt record after validation.
+dns_ipv64_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  IPv64_Token="${IPv64_Token:-$(_readaccountconf_mutable IPv64_Token)}"
+  if [ -z "$IPv64_Token" ]; then
+    _err "You must export variable: IPv64_Token"
+    _err "The API Key for your IPv64 account is necessary."
+    _err "You can look it up in your IPv64 account."
+    return 1
+  fi
+
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain" "$fulldomain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  # convert to lower case
+  _domain="$(echo "$_domain" | _lower_case)"
+  _sub_domain="$(echo "$_sub_domain" | _lower_case)"
+  # Now delete the TXT record
+  _info "Trying to delete TXT record"
+  if _ipv64_rest "DELETE" "del_record=$_domain&praefix=$_sub_domain&type=TXT&content=$txtvalue"; then
+    _info "TXT record has been successfully deleted."
+    return 0
+  else
+    _err "Errors happened during deleting the TXT record, response=$_response"
+    return 1
+  fi
+
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.www.domain.com
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+_get_root() {
+  domain="$1"
+  i=1
+  p=1
+
+  _ipv64_get "get_domains"
+  domain_data=$_response
+
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
+    if [ -z "$h" ]; then
+      #not valid
+      return 1
+    fi
+
+    #if _contains "$domain_data" "\""$h"\"\:"; then
+    if _contains "$domain_data" "\"""$h""\"\:"; then
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
+      _domain="$h"
+      return 0
+    fi
+    p=$i
+    i=$(_math "$i" + 1)
+  done
+  return 1
+}
+
+#send get request to api
+# $1 has to set the api-function
+_ipv64_get() {
+  url="$IPv64_API?$1"
+  export _H1="Authorization: Bearer $IPv64_Token"
+
+  _response=$(_get "$url")
+  _response="$(echo "$_response" | _normalizeJson)"
+
+  if _contains "$_response" "429 Too Many Requests"; then
+    _info "API throttled, sleeping to reset the limit"
+    _sleep 10
+    _response=$(_get "$url")
+    _response="$(echo "$_response" | _normalizeJson)"
+  fi
+}
+
+_ipv64_rest() {
+  url="$IPv64_API"
+  export _H1="Authorization: Bearer $IPv64_Token"
+  export _H2="Content-Type: application/x-www-form-urlencoded"
+  _response=$(_post "$2" "$url" "" "$1")
+
+  if _contains "$_response" "429 Too Many Requests"; then
+    _info "API throttled, sleeping to reset the limit"
+    _sleep 10
+    _response=$(_post "$2" "$url" "" "$1")
+  fi
+
+  if ! _contains "$_response" "\"info\":\"success\""; then
+    return 1
+  fi
+  _debug2 response "$_response"
+  return 0
+}
diff --git a/dnsapi/dns_kas.sh b/dnsapi/dns_kas.sh
index 053abd21..1253cf27 100755
--- a/dnsapi/dns_kas.sh
+++ b/dnsapi/dns_kas.sh
@@ -215,7 +215,7 @@ _get_record_id() {
     return 1
   fi
 
-  _record_id="$(echo "$response" | tr -d '\n\r' | sed "s/<item xsi:type=\"ns2:Map\">/\n/g" | grep -i "$_record_name" | grep -i ">TXT<" | sed "s/<item><key xsi:type=\"xsd:string\">record_id<\/key><value xsi:type=\"xsd:string\">/=>/g" | sed "s/<\/value><\/item>/\n/g" | grep "=>" | sed "s/=>//g")"
+  _record_id="$(echo "$response" | tr -d '\n\r' | sed "s/<item xsi:type=\"ns2:Map\">/\n/g" | grep -i "$_record_name" | grep -i ">TXT<" | sed "s/<item><key xsi:type=\"xsd:string\">record_id<\/key><value xsi:type=\"xsd:string\">/=>/g" | grep -i "$_txtvalue" | sed "s/<\/value><\/item>/\n/g" | grep "=>" | sed "s/=>//g")"
   _debug "[KAS] -> Record Id: " "$_record_id"
   return 0
 }
diff --git a/dnsapi/dns_kinghost.sh b/dnsapi/dns_kinghost.sh
index 6253c71d..f640242f 100644
--- a/dnsapi/dns_kinghost.sh
+++ b/dnsapi/dns_kinghost.sh
@@ -2,7 +2,7 @@
 
 ############################################################
 # KingHost API support                                     #
-# http://api.kinghost.net/doc/                             #
+# https://api.kinghost.net/doc/                             #
 #                                                          #
 # Author: Felipe Keller Braz <felipebraz@kinghost.com.br>  #
 # Report Bugs here: https://github.com/kinghost/acme.sh    #
diff --git a/dnsapi/dns_leaseweb.sh b/dnsapi/dns_leaseweb.sh
index a1d9e749..4cd3a8f8 100644
--- a/dnsapi/dns_leaseweb.sh
+++ b/dnsapi/dns_leaseweb.sh
@@ -3,10 +3,10 @@
 #Author: Rolph Haspers <r.haspers@global.leaseweb.com>
 #Utilize leaseweb.com API to finish dns-01 verifications.
 #Requires a Leaseweb API Key (export LSW_Key="Your Key")
-#See http://developer.leaseweb.com for more information.
+#See https://developer.leaseweb.com for more information.
 ########  Public functions #####################
 
-LSW_API="https://api.leaseweb.com/hosting/v2/domains/"
+LSW_API="https://api.leaseweb.com/hosting/v2/domains"
 
 #Usage: dns_leaseweb_add   _acme-challenge.www.domain.com
 dns_leaseweb_add() {
diff --git a/dnsapi/dns_namecheap.sh b/dnsapi/dns_namecheap.sh
index dcd87723..a5f667a9 100755
--- a/dnsapi/dns_namecheap.sh
+++ b/dnsapi/dns_namecheap.sh
@@ -82,7 +82,7 @@ _get_root() {
     _debug "Failed domain lookup via domains.getList api call. Trying domain lookup via domains.dns.getHosts api."
     # The above "getList" api will only return hosts *owned* by the calling user. However, if the calling
     # user is not the owner, but still has administrative rights, we must query the getHosts api directly.
-    # See this comment and the official namecheap response: http://disq.us/p/1q6v9x9
+    # See this comment and the official namecheap response: https://disq.us/p/1q6v9x9
     if ! _get_root_by_getHosts "$fulldomain"; then
       return 1
     fi
diff --git a/dnsapi/dns_nanelo.sh b/dnsapi/dns_nanelo.sh
new file mode 100644
index 00000000..8ccc8c29
--- /dev/null
+++ b/dnsapi/dns_nanelo.sh
@@ -0,0 +1,59 @@
+#!/usr/bin/env sh
+
+# Official DNS API for Nanelo.com
+
+# Provide the required API Key like this:
+# NANELO_TOKEN="FmD408PdqT1E269gUK57"
+
+NANELO_API="https://api.nanelo.com/v1/"
+
+########  Public functions #####################
+
+# Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_nanelo_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  NANELO_TOKEN="${NANELO_TOKEN:-$(_readaccountconf_mutable NANELO_TOKEN)}"
+  if [ -z "$NANELO_TOKEN" ]; then
+    NANELO_TOKEN=""
+    _err "You didn't configure a Nanelo API Key yet."
+    _err "Please set NANELO_TOKEN and try again."
+    _err "Login to Nanelo.com and go to Settings > API Keys to get a Key"
+    return 1
+  fi
+  _saveaccountconf_mutable NANELO_TOKEN "$NANELO_TOKEN"
+
+  _info "Adding TXT record to ${fulldomain}"
+  response="$(_get "$NANELO_API$NANELO_TOKEN/dns/addrecord?type=TXT&ttl=60&name=${fulldomain}&value=${txtvalue}")"
+  if _contains "${response}" 'success'; then
+    return 0
+  fi
+  _err "Could not create resource record, please check the logs"
+  _err "${response}"
+  return 1
+}
+
+dns_nanelo_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  NANELO_TOKEN="${NANELO_TOKEN:-$(_readaccountconf_mutable NANELO_TOKEN)}"
+  if [ -z "$NANELO_TOKEN" ]; then
+    NANELO_TOKEN=""
+    _err "You didn't configure a Nanelo API Key yet."
+    _err "Please set NANELO_TOKEN and try again."
+    _err "Login to Nanelo.com and go to Settings > API Keys to get a Key"
+    return 1
+  fi
+  _saveaccountconf_mutable NANELO_TOKEN "$NANELO_TOKEN"
+
+  _info "Deleting resource record $fulldomain"
+  response="$(_get "$NANELO_API$NANELO_TOKEN/dns/deleterecord?type=TXT&ttl=60&name=${fulldomain}&value=${txtvalue}")"
+  if _contains "${response}" 'success'; then
+    return 0
+  fi
+  _err "Could not delete resource record, please check the logs"
+  _err "${response}"
+  return 1
+}
diff --git a/dnsapi/dns_oci.sh b/dnsapi/dns_oci.sh
index 18d74410..3b81143f 100644
--- a/dnsapi/dns_oci.sh
+++ b/dnsapi/dns_oci.sh
@@ -265,6 +265,7 @@ _signed_request() {
     _response="$(_get "https://${_sig_host}${_sig_target}")"
   elif [ "$_curl_method" = "PATCH" ]; then
     export _H1="$_date_header"
+    # shellcheck disable=SC2090
     export _H2="$_sig_body_sha256"
     export _H3="$_sig_body_type"
     export _H4="$_sig_body_length"
diff --git a/dnsapi/dns_openstack.sh b/dnsapi/dns_openstack.sh
index 38619e6f..fcc1dc2e 100755
--- a/dnsapi/dns_openstack.sh
+++ b/dnsapi/dns_openstack.sh
@@ -57,16 +57,16 @@ _dns_openstack_create_recordset() {
 
   if [ -z "$_recordset_id" ]; then
     _info "Creating a new recordset"
-    if ! _recordset_id=$(openstack recordset create -c id -f value --type TXT --record "$txtvalue" "$_zone_id" "$fulldomain."); then
+    if ! _recordset_id=$(openstack recordset create -c id -f value --type TXT --record="$txtvalue" "$_zone_id" "$fulldomain."); then
       _err "No recordset ID found after create"
       return 1
     fi
   else
     _info "Updating existing recordset"
-    # Build new list of --record <rec> args for update
-    _record_args="--record $txtvalue"
+    # Build new list of --record=<rec> args for update
+    _record_args="--record=$txtvalue"
     for _rec in $_records; do
-      _record_args="$_record_args --record $_rec"
+      _record_args="$_record_args --record=$_rec"
     done
     # shellcheck disable=SC2086
     if ! _recordset_id=$(openstack recordset set -c id -f value $_record_args "$_zone_id" "$fulldomain."); then
@@ -107,13 +107,13 @@ _dns_openstack_delete_recordset() {
     fi
   else
     _info "Found existing records, updating recordset"
-    # Build new list of --record <rec> args for update
+    # Build new list of --record=<rec> args for update
     _record_args=""
     for _rec in $_records; do
       if [ "$_rec" = "$txtvalue" ]; then
         continue
       fi
-      _record_args="$_record_args --record $_rec"
+      _record_args="$_record_args --record=$_rec"
     done
     # shellcheck disable=SC2086
     if ! openstack recordset set -c id -f value $_record_args "$_zone_id" "$fulldomain." >/dev/null; then
diff --git a/dnsapi/dns_opnsense.sh b/dnsapi/dns_opnsense.sh
index c2806a1b..d40cbe28 100755
--- a/dnsapi/dns_opnsense.sh
+++ b/dnsapi/dns_opnsense.sh
@@ -137,7 +137,7 @@ _get_root() {
   domain=$1
   i=2
   p=1
-  if _opns_rest "GET" "/domain/searchMasterDomain"; then
+  if _opns_rest "GET" "/domain/searchPrimaryDomain"; then
     _domain_response="$response"
   else
     return 1
@@ -150,7 +150,7 @@ _get_root() {
       return 1
     fi
     _debug h "$h"
-    id=$(echo "$_domain_response" | _egrep_o "\"uuid\":\"[a-z0-9\-]*\",\"enabled\":\"1\",\"type\":\"master\",\"domainname\":\"${h}\"" | cut -d ':' -f 2 | cut -d '"' -f 2)
+    id=$(echo "$_domain_response" | _egrep_o "\"uuid\":\"[a-z0-9\-]*\",\"enabled\":\"1\",\"type\":\"primary\",\"domainname\":\"${h}\"" | cut -d ':' -f 2 | cut -d '"' -f 2)
     if [ -n "$id" ]; then
       _debug id "$id"
       _host=$(printf "%s" "$domain" | cut -d . -f 1-$p)
diff --git a/dnsapi/dns_ovh.sh b/dnsapi/dns_ovh.sh
index 5e35011b..e1a958f6 100755
--- a/dnsapi/dns_ovh.sh
+++ b/dnsapi/dns_ovh.sh
@@ -14,6 +14,9 @@
 #'ovh-eu'
 OVH_EU='https://eu.api.ovh.com/1.0'
 
+#'ovh-us'
+OVH_US='https://api.us.ovhcloud.com/1.0'
+
 #'ovh-ca':
 OVH_CA='https://ca.api.ovh.com/1.0'
 
@@ -29,9 +32,6 @@ SYS_EU='https://eu.api.soyoustart.com/1.0'
 #'soyoustart-ca'
 SYS_CA='https://ca.api.soyoustart.com/1.0'
 
-#'runabove-ca'
-RAV_CA='https://api.runabove.com/1.0'
-
 wiki="https://github.com/acmesh-official/acme.sh/wiki/How-to-use-OVH-domain-api"
 
 ovh_success="https://github.com/acmesh-official/acme.sh/wiki/OVH-Success"
@@ -45,6 +45,10 @@ _ovh_get_api() {
     printf "%s" $OVH_EU
     return
     ;;
+  ovh-us | ovhus)
+    printf "%s" $OVH_US
+    return
+    ;;
   ovh-ca | ovhca)
     printf "%s" $OVH_CA
     return
@@ -65,14 +69,15 @@ _ovh_get_api() {
     printf "%s" $SYS_CA
     return
     ;;
-  runabove-ca | runaboveca)
-    printf "%s" $RAV_CA
+  # raw API url starts with https://
+  https*)
+    printf "%s" "$1"
     return
     ;;
 
   *)
 
-    _err "Unknown parameter : $1"
+    _err "Unknown endpoint : $1"
     return 1
     ;;
   esac
diff --git a/dnsapi/dns_pleskxml.sh b/dnsapi/dns_pleskxml.sh
index f5986827..799c374c 100644
--- a/dnsapi/dns_pleskxml.sh
+++ b/dnsapi/dns_pleskxml.sh
@@ -41,7 +41,7 @@ pleskxml_init_checks_done=0
 NEWLINE='\
 '
 
-pleskxml_tplt_get_domains="<packet><customer><get-domain-list><filter/></get-domain-list></customer></packet>"
+pleskxml_tplt_get_domains="<packet><webspace><get><filter/><dataset><gen_info/></dataset></get></webspace></packet>"
 # Get a list of domains that PLESK can manage, so we can check root domain + host for acme.sh
 # Also used to test credentials and URI.
 # No params.
@@ -145,22 +145,25 @@ dns_pleskxml_rm() {
   )"
 
   if [ -z "$reclist" ]; then
-    _err "No TXT records found for root domain ${root_domain_name} (Plesk domain ID ${root_domain_id}). Exiting."
+    _err "No TXT records found for root domain $fulldomain (Plesk domain ID ${root_domain_id}). Exiting."
     return 1
   fi
 
-  _debug "Got list of DNS TXT records for root domain '$root_domain_name':"
+  _debug "Got list of DNS TXT records for root Plesk domain ID ${root_domain_id} of root domain $fulldomain:"
   _debug "$reclist"
 
+  # Extracting the id of the TXT record for the full domain (NOT case-sensitive) and corresponding value
   recid="$(
     _value "$reclist" |
-      grep "<host>${fulldomain}.</host>" |
+      grep -i "<host>${fulldomain}.</host>" |
       grep "<value>${txtvalue}</value>" |
       sed 's/^.*<id>\([0-9]\{1,\}\)<\/id>.*$/\1/'
   )"
 
+  _debug "Got id from line: $recid"
+
   if ! _value "$recid" | grep '^[0-9]\{1,\}$' >/dev/null; then
-    _err "DNS records for root domain '${root_domain_name}' (Plesk ID ${root_domain_id}) + host '${sub_domain_name}' do not contain the TXT record '${txtvalue}'"
+    _err "DNS records for root domain '${fulldomain}.' (Plesk ID ${root_domain_id}) + host '${sub_domain_name}' do not contain the TXT record '${txtvalue}'"
     _err "Cannot delete TXT record. Exiting."
     return 1
   fi
@@ -251,9 +254,12 @@ _call_api() {
 
   # Detect any <status> that isn't "ok". None of the used calls should fail if the API is working correctly.
   # Also detect if there simply aren't any status lines (null result?) and report that, as well.
+  # Remove <data></data> structure from result string, since it might contain <status> values that are related to the status of the domain and not to the API request
 
-  statuslines_count_total="$(echo "$pleskxml_prettyprint_result" | grep -c '^ *<status>[^<]*</status> *$')"
-  statuslines_count_okay="$(echo "$pleskxml_prettyprint_result" | grep -c '^ *<status>ok</status> *$')"
+  statuslines_count_total="$(echo "$pleskxml_prettyprint_result" | sed '/<data>/,/<\/data>/d' | grep -c '^ *<status>[^<]*</status> *$')"
+  statuslines_count_okay="$(echo "$pleskxml_prettyprint_result" | sed '/<data>/,/<\/data>/d' | grep -c '^ *<status>ok</status> *$')"
+  _debug "statuslines_count_total=$statuslines_count_total."
+  _debug "statuslines_count_okay=$statuslines_count_okay."
 
   if [ -z "$statuslines_count_total" ]; then
 
@@ -375,7 +381,7 @@ _pleskxml_get_root_domain() {
   # Output will be one line per known domain, containing 2 <name> tages and a single <id> tag
   # We don't actually need to check for type, name, *and* id, but it guarantees only usable lines are returned.
 
-  output="$(_api_response_split "$pleskxml_prettyprint_result" 'domain' '<type>domain</type>' | sed 's/<ascii-name>/<name>/g;s/<\/ascii-name>/<\/name>/g' | grep '<name>' | grep '<id>')"
+  output="$(_api_response_split "$pleskxml_prettyprint_result" 'result' '<status>ok</status>' | sed 's/<ascii-name>/<name>/g;s/<\/ascii-name>/<\/name>/g' | grep '<name>' | grep '<id>')"
 
   _debug 'Domains managed by Plesk server are (ignore the hacked output):'
   _debug "$output"
diff --git a/dnsapi/dns_servercow.sh b/dnsapi/dns_servercow.sh
index f70a2294..52137905 100755
--- a/dnsapi/dns_servercow.sh
+++ b/dnsapi/dns_servercow.sh
@@ -53,7 +53,7 @@ dns_servercow_add() {
   if printf -- "%s" "$response" | grep "{\"name\":\"$_sub_domain\",\"ttl\":20,\"type\":\"TXT\"" >/dev/null; then
     _info "A txt record with the same name already exists."
     # trim the string on the left
-    txtvalue_old=${response#*{\"name\":\"$_sub_domain\",\"ttl\":20,\"type\":\"TXT\",\"content\":\"}
+    txtvalue_old=${response#*{\"name\":\""$_sub_domain"\",\"ttl\":20,\"type\":\"TXT\",\"content\":\"}
     # trim the string on the right
     txtvalue_old=${txtvalue_old%%\"*}
 
diff --git a/dnsapi/dns_vultr.sh b/dnsapi/dns_vultr.sh
index bd925fdb..54e5b6ce 100644
--- a/dnsapi/dns_vultr.sh
+++ b/dnsapi/dns_vultr.sh
@@ -78,7 +78,7 @@ dns_vultr_rm() {
     return 1
   fi
 
-  _record_id="$(echo "$response" | tr '{}' '\n' | grep '"TXT"' | grep -- "$txtvalue" | tr ',' '\n' | grep -i 'id' | cut -d : -f 2)"
+  _record_id="$(echo "$response" | tr '{}' '\n' | grep '"TXT"' | grep -- "$txtvalue" | tr ',' '\n' | grep -i 'id' | cut -d : -f 2 | tr -d '"')"
   _debug _record_id "$_record_id"
   if [ "$_record_id" ]; then
     _info "Successfully retrieved the record id for ACME challenge."
@@ -116,7 +116,7 @@ _get_root() {
       return 1
     fi
 
-    if printf "%s\n" "$response" | grep '^\{.*\}' >/dev/null; then
+    if printf "%s\n" "$response" | grep -E '^\{.*\}' >/dev/null; then
       if _contains "$response" "\"domain\":\"$_domain\""; then
         _sub_domain="$(echo "$fulldomain" | sed "s/\\.$_domain\$//")"
         return 0
@@ -139,7 +139,7 @@ _vultr_rest() {
   data="$3"
   _debug "$ep"
 
-  api_key_trimmed=$(echo $VULTR_API_KEY | tr -d '"')
+  api_key_trimmed=$(echo "$VULTR_API_KEY" | tr -d '"')
 
   export _H1="Authorization: Bearer $api_key_trimmed"
   export _H2='Content-Type: application/json'
diff --git a/notify/smtp.sh b/notify/smtp.sh
index 293c665e..f5ebebca 100644
--- a/notify/smtp.sh
+++ b/notify/smtp.sh
@@ -169,7 +169,7 @@ _clean_email_header() {
 # email
 _email_has_display_name() {
   _email="$1"
-  expr "$_email" : '^.*[<>"]' >/dev/null
+  echo "$_email" | grep -q -E '^.*[<>"]'
 }
 
 ##
@@ -249,7 +249,7 @@ _mime_encoded_word() {
   _text="$1"
   # (regex character ranges like [a-z] can be locale-dependent; enumerate ASCII chars to avoid that)
   _ascii='] $`"'"[!#%&'()*+,./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ~^_abcdefghijklmnopqrstuvwxyz{|}~-"
-  if expr "$_text" : "^.*[^$_ascii]" >/dev/null; then
+  if echo "$_text" | grep -q -E "^.*[^$_ascii]"; then
     # At least one non-ASCII char; convert entire thing to encoded word
     printf "%s" "=?UTF-8?B?$(printf "%s" "$_text" | _base64)?="
   else