diff --git a/acme.sh b/acme.sh
index 2eea666a..9842e3f1 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1628,6 +1628,11 @@ _time2str() {
     return
   fi
 
+  #Omnios
+  if date -u -r "$1" +"%Y-%m-%dT%H:%M:%SZ" 2>/dev/null; then
+    return
+  fi
+
   #Solaris
   if printf "%(%Y-%m-%dT%H:%M:%SZ)T\n" $1 2>/dev/null; then
     return
@@ -1811,7 +1816,11 @@ _date2time() {
     return
   fi
   #Omnios
-  if da="$(echo "$1" | tr -d "Z" | tr "T" ' ')" perl -MTime::Piece -e 'print Time::Piece->strptime($ENV{da}, "%Y-%m-%d %H:%M:%S")->epoch, "\n";' 2>/dev/null; then
+  if python3 -c "import datetime; print(int(datetime.datetime.strptime(\"$1\", \"%Y-%m-%d %H:%M:%S\").replace(tzinfo=datetime.timezone.utc).timestamp()))" 2>/dev/null; then
+    return
+  fi
+  #Omnios
+  if python3 -c "import datetime; print(int(datetime.datetime.strptime(\"$1\", \"%Y-%m-%dT%H:%M:%SZ\").replace(tzinfo=datetime.timezone.utc).timestamp()))" 2>/dev/null; then
     return
   fi
   _err "Cannot parse _date2time $1"
diff --git a/deploy/strongswan.sh b/deploy/strongswan.sh
index 3d5f1b34..14567d17 100644
--- a/deploy/strongswan.sh
+++ b/deploy/strongswan.sh
@@ -10,46 +10,89 @@
 
 #domain keyfile certfile cafile fullchain
 strongswan_deploy() {
-  _cdomain="$1"
-  _ckey="$2"
-  _ccert="$3"
-  _cca="$4"
-  _cfullchain="$5"
-
+  _cdomain="${1}"
+  _ckey="${2}"
+  _ccert="${3}"
+  _cca="${4}"
+  _cfullchain="${5}"
   _info "Using strongswan"
-
-  if [ -x /usr/sbin/ipsec ]; then
-    _ipsec=/usr/sbin/ipsec
-  elif [ -x /usr/sbin/strongswan ]; then
-    _ipsec=/usr/sbin/strongswan
-  elif [ -x /usr/local/sbin/ipsec ]; then
-    _ipsec=/usr/local/sbin/ipsec
-  else
+  if _exists ipsec; then
+    _ipsec=ipsec
+  elif _exists strongswan; then
+    _ipsec=strongswan
+  fi
+  if _exists swanctl; then
+    _swanctl=swanctl
+  fi
+  # For legacy stroke mode
+  if [ -n "${_ipsec}" ]; then
+    _info "${_ipsec} command detected"
+    _confdir=$(${_ipsec} --confdir)
+    if [ -z "${_confdir}" ]; then
+      _err "no strongswan --confdir is detected"
+      return 1
+    fi
+    _info _confdir "${_confdir}"
+    __deploy_cert "$@" "stroke" "${_confdir}"
+    ${_ipsec} reload
+  fi
+  # For modern vici mode
+  if [ -n "${_swanctl}" ]; then
+    _info "${_swanctl} command detected"
+    for _dir in /usr/local/etc/swanctl /etc/swanctl /etc/strongswan/swanctl; do
+      if [ -d ${_dir} ]; then
+        _confdir=${_dir}
+        _info _confdir "${_confdir}"
+        break
+      fi
+    done
+    if [ -z "${_confdir}" ]; then
+      _err "no swanctl config dir is found"
+      return 1
+    fi
+    __deploy_cert "$@" "vici" "${_confdir}"
+    ${_swanctl} --load-creds
+  fi
+  if [ -z "${_swanctl}" ] && [ -z "${_ipsec}" ]; then
     _err "no strongswan or ipsec command is detected"
+    _err "no swanctl is detected"
     return 1
   fi
+}
 
-  _info _ipsec "$_ipsec"
+####################  Private functions below ##################################
 
-  _confdir=$($_ipsec --confdir)
-  if [ $? -ne 0 ] || [ -z "$_confdir" ]; then
-    _err "no strongswan --confdir is detected"
+__deploy_cert() {
+  _cdomain="${1}"
+  _ckey="${2}"
+  _ccert="${3}"
+  _cca="${4}"
+  _cfullchain="${5}"
+  _swan_mode="${6}"
+  _confdir="${7}"
+  _debug _cdomain "${_cdomain}"
+  _debug _ckey "${_ckey}"
+  _debug _ccert "${_ccert}"
+  _debug _cca "${_cca}"
+  _debug _cfullchain "${_cfullchain}"
+  _debug _swan_mode "${_swan_mode}"
+  _debug _confdir "${_confdir}"
+  if [ "${_swan_mode}" = "vici" ]; then
+    _dir_private="private"
+    _dir_cert="x509"
+    _dir_ca="x509ca"
+  elif [ "${_swan_mode}" = "stroke" ]; then
+    _dir_private="ipsec.d/private"
+    _dir_cert="ipsec.d/certs"
+    _dir_ca="ipsec.d/cacerts"
+  else
+    _err "unknown StrongSwan mode ${_swan_mode}"
     return 1
   fi
-
-  _info _confdir "$_confdir"
-
-  _debug _cdomain "$_cdomain"
-  _debug _ckey "$_ckey"
-  _debug _ccert "$_ccert"
-  _debug _cca "$_cca"
-  _debug _cfullchain "$_cfullchain"
-
-  cat "$_ckey" >"${_confdir}/ipsec.d/private/$(basename "$_ckey")"
-  cat "$_ccert" >"${_confdir}/ipsec.d/certs/$(basename "$_ccert")"
-  cat "$_cca" >"${_confdir}/ipsec.d/cacerts/$(basename "$_cca")"
-  cat "$_cfullchain" >"${_confdir}/ipsec.d/cacerts/$(basename "$_cfullchain")"
-
-  $_ipsec reload
-
+  cat "${_ckey}" >"${_confdir}/${_dir_private}/$(basename "${_ckey}")"
+  cat "${_ccert}" >"${_confdir}/${_dir_cert}/$(basename "${_ccert}")"
+  cat "${_cca}" >"${_confdir}/${_dir_ca}/$(basename "${_cca}")"
+  if [ "${_swan_mode}" = "stroke" ]; then
+    cat "${_cfullchain}" >"${_confdir}/${_dir_ca}/$(basename "${_cfullchain}")"
+  fi
 }
diff --git a/deploy/truenas.sh b/deploy/truenas.sh
index c79e6dac..407395a3 100644
--- a/deploy/truenas.sh
+++ b/deploy/truenas.sh
@@ -9,7 +9,7 @@
 #
 # Following environment variables must be set:
 #
-# export DEPLOY_TRUENAS_APIKEY="<API_KEY_GENERATED_IN_THE_WEB_UI"
+# export DEPLOY_TRUENAS_APIKEY="<API_KEY_GENERATED_IN_THE_WEB_UI>"
 #
 # The following environmental variables may be set if you don't like their
 # default values:
@@ -64,6 +64,20 @@ truenas_deploy() {
   _response=$(_get "$_api_url/system/state")
   _info "TrueNAS system state: $_response."
 
+  _info "Getting TrueNAS version"
+  _response=$(_get "$_api_url/system/version")
+
+  if echo "$_response" | grep -q "SCALE"; then
+    _truenas_os=$(echo "$_response" | cut -d '-' -f 2)
+    _truenas_version=$(echo "$_response" | cut -d '-' -f 3 | tr -d '"' | cut -d '.' -f 1,2)
+  else
+    _truenas_os="unknown"
+    _truenas_version="unknown"
+  fi
+
+  _info "Detected TrueNAS system os: $_truenas_os"
+  _info "Detected TrueNAS system version: $_truenas_version"
+
   if [ -z "$_response" ]; then
     _err "Unable to authenticate to $_api_url."
     _err 'Check your connection settings are correct, e.g.'
@@ -115,27 +129,106 @@ truenas_deploy() {
 
   _debug3 _activate_result "$_activate_result"
 
-  _info "Checking if WebDAV certificate is the same as the TrueNAS web UI"
-  _webdav_list=$(_get "$_api_url/webdav")
-  _webdav_cert_id=$(echo "$_webdav_list" | grep '"certssl":' | tr -d -- '"certsl: ,')
-
-  if [ "$_webdav_cert_id" = "$_active_cert_id" ]; then
-    _info "Updating the WebDAV certificate"
-    _debug _webdav_cert_id "$_webdav_cert_id"
-    _webdav_data="{\"certssl\": \"${_cert_id}\"}"
-    _activate_webdav_cert="$(_post "$_webdav_data" "$_api_url/webdav" "" "PUT" "application/json")"
-    _webdav_new_cert_id=$(echo "$_activate_webdav_cert" | _json_decode | grep '"certssl":' | sed -n 's/.*: \([0-9]\{1,\}\),\{0,1\}$/\1/p')
-    if [ "$_webdav_new_cert_id" -eq "$_cert_id" ]; then
-      _info "WebDAV certificate updated successfully"
-    else
-      _err "Unable to set WebDAV certificate"
-      _debug3 _activate_webdav_cert "$_activate_webdav_cert"
+  _truenas_version_23_10="23.10"
+  _truenas_version_24_10="24.10"
+
+  _check_version=$(printf "%s\n%s" "$_truenas_version_23_10" "$_truenas_version" | sort -V | head -n 1)
+  if [ "$_truenas_os" != "SCALE" ] || [ "$_check_version" != "$_truenas_version_23_10" ]; then
+    _info "Checking if WebDAV certificate is the same as the TrueNAS web UI"
+    _webdav_list=$(_get "$_api_url/webdav")
+    _webdav_cert_id=$(echo "$_webdav_list" | grep '"certssl":' | tr -d -- '"certsl: ,')
+
+    if [ "$_webdav_cert_id" = "$_active_cert_id" ]; then
+      _info "Updating the WebDAV certificate"
+      _debug _webdav_cert_id "$_webdav_cert_id"
+      _webdav_data="{\"certssl\": \"${_cert_id}\"}"
+      _activate_webdav_cert="$(_post "$_webdav_data" "$_api_url/webdav" "" "PUT" "application/json")"
+      _webdav_new_cert_id=$(echo "$_activate_webdav_cert" | _json_decode | grep '"certssl":' | sed -n 's/.*: \([0-9]\{1,\}\),\{0,1\}$/\1/p')
+      if [ "$_webdav_new_cert_id" -eq "$_cert_id" ]; then
+        _info "WebDAV certificate updated successfully"
+      else
+        _err "Unable to set WebDAV certificate"
+        _debug3 _activate_webdav_cert "$_activate_webdav_cert"
+        _debug3 _webdav_new_cert_id "$_webdav_new_cert_id"
+        return 1
+      fi
       _debug3 _webdav_new_cert_id "$_webdav_new_cert_id"
-      return 1
+    else
+      _info "WebDAV certificate is not configured or is not the same as TrueNAS web UI"
+    fi
+
+    _info "Checking if S3 certificate is the same as the TrueNAS web UI"
+    _s3_list=$(_get "$_api_url/s3")
+    _s3_cert_id=$(echo "$_s3_list" | grep '"certificate":' | tr -d -- '"certifa:_ ,')
+
+    if [ "$_s3_cert_id" = "$_active_cert_id" ]; then
+      _info "Updating the S3 certificate"
+      _debug _s3_cert_id "$_s3_cert_id"
+      _s3_data="{\"certificate\": \"${_cert_id}\"}"
+      _activate_s3_cert="$(_post "$_s3_data" "$_api_url/s3" "" "PUT" "application/json")"
+      _s3_new_cert_id=$(echo "$_activate_s3_cert" | _json_decode | grep '"certificate":' | sed -n 's/.*: \([0-9]\{1,\}\),\{0,1\}$/\1/p')
+      if [ "$_s3_new_cert_id" -eq "$_cert_id" ]; then
+        _info "S3 certificate updated successfully"
+      else
+        _err "Unable to set S3 certificate"
+        _debug3 _activate_s3_cert "$_activate_s3_cert"
+        _debug3 _s3_new_cert_id "$_s3_new_cert_id"
+        return 1
+      fi
+      _debug3 _activate_s3_cert "$_activate_s3_cert"
+    else
+      _info "S3 certificate is not configured or is not the same as TrueNAS web UI"
+    fi
+  fi
+
+  if [ "$_truenas_os" = "SCALE" ]; then
+    _check_version=$(printf "%s\n%s" "$_truenas_version_24_10" "$_truenas_version" | sort -V | head -n 1)
+    if [ "$_check_version" != "$_truenas_version_24_10" ]; then
+      _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
+    else
+      _info "Checking if any app is using the same certificate as TrueNAS web UI. Tool 'jq' is required"
+      if _exists jq; then
+        _info "Query all apps"
+        _app_list=$(_get "$_api_url/app")
+        _app_id_list=$(printf "%s" "$_app_list" | jq -r '.[].name')
+        _app_length=$(echo "$_app_id_list" | wc -l)
+        _info "Found $_app_length apps"
+        _info "Checking for each app if an update is needed"
+        for i in $(seq 1 "$_app_length"); do
+          _app_id=$(echo "$_app_id_list" | sed -n "${i}p")
+          _app_config="$(_post "\"$_app_id\"" "$_api_url/app/config" "" "POST" "application/json")"
+          # Check if the app use the same certificate TrueNAS web UI
+          _app_active_cert_config=$(echo "$_app_config" | _json_decode | jq -r ".ix_certificates[\"$_active_cert_id\"]")
+          if [ "$_app_active_cert_config" != "null" ]; then
+            _info "Updating certificate from $_active_cert_id to $_cert_id for app: $_app_id"
+            #Replace the old certificate id with the new one in path
+            _update_app_result="$(_post "{\"values\" : { \"network\": { \"certificate_id\": $_cert_id } } }" "$_api_url/app/id/$_app_id" "" "PUT" "application/json")"
+            _debug3 _update_app_result "$_update_app_result"
+          fi
+        done
+      else
+        _info "Tool 'jq' does not exists, skip app checking"
+      fi
     fi
-    _debug3 _webdav_new_cert_id "$_webdav_new_cert_id"
-  else
-    _info "WebDAV certificate is not configured or is not the same as TrueNAS web UI"
   fi
 
   _info "Checking if FTP certificate is the same as the TrueNAS web UI"
@@ -161,50 +254,6 @@ truenas_deploy() {
     _info "FTP certificate is not configured or is not the same as TrueNAS web UI"
   fi
 
-  _info "Checking if S3 certificate is the same as the TrueNAS web UI"
-  _s3_list=$(_get "$_api_url/s3")
-  _s3_cert_id=$(echo "$_s3_list" | grep '"certificate":' | tr -d -- '"certifa:_ ,')
-
-  if [ "$_s3_cert_id" = "$_active_cert_id" ]; then
-    _info "Updating the S3 certificate"
-    _debug _s3_cert_id "$_s3_cert_id"
-    _s3_data="{\"certificate\": \"${_cert_id}\"}"
-    _activate_s3_cert="$(_post "$_s3_data" "$_api_url/s3" "" "PUT" "application/json")"
-    _s3_new_cert_id=$(echo "$_activate_s3_cert" | _json_decode | grep '"certificate":' | sed -n 's/.*: \([0-9]\{1,\}\),\{0,1\}$/\1/p')
-    if [ "$_s3_new_cert_id" -eq "$_cert_id" ]; then
-      _info "S3 certificate updated successfully"
-    else
-      _err "Unable to set S3 certificate"
-      _debug3 _activate_s3_cert "$_activate_s3_cert"
-      _debug3 _s3_new_cert_id "$_s3_new_cert_id"
-      return 1
-    fi
-    _debug3 _activate_s3_cert "$_activate_s3_cert"
-  else
-    _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/dnsapi/dns_azure.sh b/dnsapi/dns_azure.sh
index 7d818cc2..3f0dfa3d 100644
--- a/dnsapi/dns_azure.sh
+++ b/dnsapi/dns_azure.sh
@@ -9,6 +9,7 @@ Options:
  AZUREDNS_APPID App ID. App ID of the service principal
  AZUREDNS_CLIENTSECRET Client Secret. Secret from creating the service principal
  AZUREDNS_MANAGEDIDENTITY Use Managed Identity. Use Managed Identity assigned to a resource instead of a service principal. "true"/"false"
+ AZUREDNS_BEARERTOKEN Optional Bearer Token. Used instead of service principal credentials or managed identity
 '
 
 wiki=https://github.com/acmesh-official/acme.sh/wiki/How-to-use-Azure-DNS
@@ -31,6 +32,7 @@ dns_azure_add() {
     AZUREDNS_TENANTID=""
     AZUREDNS_APPID=""
     AZUREDNS_CLIENTSECRET=""
+    AZUREDNS_BEARERTOKEN=""
     _err "You didn't specify the Azure Subscription ID"
     return 1
   fi
@@ -45,37 +47,45 @@ dns_azure_add() {
     _saveaccountconf_mutable AZUREDNS_TENANTID ""
     _saveaccountconf_mutable AZUREDNS_APPID ""
     _saveaccountconf_mutable AZUREDNS_CLIENTSECRET ""
+    _saveaccountconf_mutable AZUREDNS_BEARERTOKEN ""
   else
-    _info "You didn't ask to use Azure managed identity, checking service principal credentials"
+    _info "You didn't ask to use Azure managed identity, checking service principal credentials or provided bearer token"
     AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}"
     AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}"
     AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}"
+    AZUREDNS_BEARERTOKEN="${AZUREDNS_BEARERTOKEN:-$(_readaccountconf_mutable AZUREDNS_BEARERTOKEN)}"
+    if [ -z "$AZUREDNS_BEARERTOKEN" ]; then
+      if [ -z "$AZUREDNS_TENANTID" ]; then
+        AZUREDNS_SUBSCRIPTIONID=""
+        AZUREDNS_TENANTID=""
+        AZUREDNS_APPID=""
+        AZUREDNS_CLIENTSECRET=""
+        AZUREDNS_BEARERTOKEN=""
+        _err "You didn't specify the Azure Tenant ID "
+        return 1
+      fi
 
-    if [ -z "$AZUREDNS_TENANTID" ]; then
-      AZUREDNS_SUBSCRIPTIONID=""
-      AZUREDNS_TENANTID=""
-      AZUREDNS_APPID=""
-      AZUREDNS_CLIENTSECRET=""
-      _err "You didn't specify the Azure Tenant ID "
-      return 1
-    fi
-
-    if [ -z "$AZUREDNS_APPID" ]; then
-      AZUREDNS_SUBSCRIPTIONID=""
-      AZUREDNS_TENANTID=""
-      AZUREDNS_APPID=""
-      AZUREDNS_CLIENTSECRET=""
-      _err "You didn't specify the Azure App ID"
-      return 1
-    fi
+      if [ -z "$AZUREDNS_APPID" ]; then
+        AZUREDNS_SUBSCRIPTIONID=""
+        AZUREDNS_TENANTID=""
+        AZUREDNS_APPID=""
+        AZUREDNS_CLIENTSECRET=""
+        AZUREDNS_BEARERTOKEN=""
+        _err "You didn't specify the Azure App ID"
+        return 1
+      fi
 
-    if [ -z "$AZUREDNS_CLIENTSECRET" ]; then
-      AZUREDNS_SUBSCRIPTIONID=""
-      AZUREDNS_TENANTID=""
-      AZUREDNS_APPID=""
-      AZUREDNS_CLIENTSECRET=""
-      _err "You didn't specify the Azure Client Secret"
-      return 1
+      if [ -z "$AZUREDNS_CLIENTSECRET" ]; then
+        AZUREDNS_SUBSCRIPTIONID=""
+        AZUREDNS_TENANTID=""
+        AZUREDNS_APPID=""
+        AZUREDNS_CLIENTSECRET=""
+        AZUREDNS_BEARERTOKEN=""
+        _err "You didn't specify the Azure Client Secret"
+        return 1
+      fi
+    else
+      _info "Using provided bearer token"
     fi
 
     #save account details to account conf file, don't opt in for azure manages identity check.
@@ -83,9 +93,14 @@ dns_azure_add() {
     _saveaccountconf_mutable AZUREDNS_TENANTID "$AZUREDNS_TENANTID"
     _saveaccountconf_mutable AZUREDNS_APPID "$AZUREDNS_APPID"
     _saveaccountconf_mutable AZUREDNS_CLIENTSECRET "$AZUREDNS_CLIENTSECRET"
+    _saveaccountconf_mutable AZUREDNS_BEARERTOKEN "$AZUREDNS_BEARERTOKEN"
   fi
 
-  accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
+  if [ -z "$AZUREDNS_BEARERTOKEN" ]; then
+    accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
+  else
+    accesstoken=$(echo "$AZUREDNS_BEARERTOKEN" | sed "s/Bearer //g")
+  fi
 
   if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then
     _err "invalid domain"
@@ -147,6 +162,7 @@ dns_azure_rm() {
     AZUREDNS_TENANTID=""
     AZUREDNS_APPID=""
     AZUREDNS_CLIENTSECRET=""
+    AZUREDNS_BEARERTOKEN=""
     _err "You didn't specify the Azure Subscription ID "
     return 1
   fi
@@ -155,40 +171,51 @@ dns_azure_rm() {
   if [ "$AZUREDNS_MANAGEDIDENTITY" = true ]; then
     _info "Using Azure managed identity"
   else
-    _info "You didn't ask to use Azure managed identity, checking service principal credentials"
+    _info "You didn't ask to use Azure managed identity, checking service principal credentials or provided bearer token"
     AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}"
     AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}"
     AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}"
+    AZUREDNS_BEARERTOKEN="${AZUREDNS_BEARERTOKEN:-$(_readaccountconf_mutable AZUREDNS_BEARERTOKEN)}"
+    if [ -z "$AZUREDNS_BEARERTOKEN" ]; then
+      if [ -z "$AZUREDNS_TENANTID" ]; then
+        AZUREDNS_SUBSCRIPTIONID=""
+        AZUREDNS_TENANTID=""
+        AZUREDNS_APPID=""
+        AZUREDNS_CLIENTSECRET=""
+        AZUREDNS_BEARERTOKEN=""
+        _err "You didn't specify the Azure Tenant ID "
+        return 1
+      fi
 
-    if [ -z "$AZUREDNS_TENANTID" ]; then
-      AZUREDNS_SUBSCRIPTIONID=""
-      AZUREDNS_TENANTID=""
-      AZUREDNS_APPID=""
-      AZUREDNS_CLIENTSECRET=""
-      _err "You didn't specify the Azure Tenant ID "
-      return 1
-    fi
-
-    if [ -z "$AZUREDNS_APPID" ]; then
-      AZUREDNS_SUBSCRIPTIONID=""
-      AZUREDNS_TENANTID=""
-      AZUREDNS_APPID=""
-      AZUREDNS_CLIENTSECRET=""
-      _err "You didn't specify the Azure App ID"
-      return 1
-    fi
+      if [ -z "$AZUREDNS_APPID" ]; then
+        AZUREDNS_SUBSCRIPTIONID=""
+        AZUREDNS_TENANTID=""
+        AZUREDNS_APPID=""
+        AZUREDNS_CLIENTSECRET=""
+        AZUREDNS_BEARERTOKEN=""
+        _err "You didn't specify the Azure App ID"
+        return 1
+      fi
 
-    if [ -z "$AZUREDNS_CLIENTSECRET" ]; then
-      AZUREDNS_SUBSCRIPTIONID=""
-      AZUREDNS_TENANTID=""
-      AZUREDNS_APPID=""
-      AZUREDNS_CLIENTSECRET=""
-      _err "You didn't specify the Azure Client Secret"
-      return 1
+      if [ -z "$AZUREDNS_CLIENTSECRET" ]; then
+        AZUREDNS_SUBSCRIPTIONID=""
+        AZUREDNS_TENANTID=""
+        AZUREDNS_APPID=""
+        AZUREDNS_CLIENTSECRET=""
+        AZUREDNS_BEARERTOKEN=""
+        _err "You didn't specify the Azure Client Secret"
+        return 1
+      fi
+    else
+      _info "Using provided bearer token"
     fi
   fi
 
-  accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
+  if [ -z "$AZUREDNS_BEARERTOKEN" ]; then
+    accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
+  else
+    accesstoken=$(echo "$AZUREDNS_BEARERTOKEN" | sed "s/Bearer //g")
+  fi
 
   if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then
     _err "invalid domain"
@@ -295,7 +322,7 @@ _azure_getaccess_token() {
   clientID=$3
   clientSecret=$4
 
-  accesstoken="${AZUREDNS_BEARERTOKEN:-$(_readaccountconf_mutable AZUREDNS_BEARERTOKEN)}"
+  accesstoken="${AZUREDNS_ACCESSTOKEN:-$(_readaccountconf_mutable AZUREDNS_ACCESSTOKEN)}"
   expires_on="${AZUREDNS_TOKENVALIDTO:-$(_readaccountconf_mutable AZUREDNS_TOKENVALIDTO)}"
 
   # can we reuse the bearer token?
@@ -339,7 +366,7 @@ _azure_getaccess_token() {
     _err "error $response"
     return 1
   fi
-  _saveaccountconf_mutable AZUREDNS_BEARERTOKEN "$accesstoken"
+  _saveaccountconf_mutable AZUREDNS_ACCESSTOKEN "$accesstoken"
   _saveaccountconf_mutable AZUREDNS_TOKENVALIDTO "$expires_on"
   printf "%s" "$accesstoken"
   return 0
diff --git a/dnsapi/dns_linode_v4.sh b/dnsapi/dns_linode_v4.sh
index f6a61a99..3c6997a0 100755
--- a/dnsapi/dns_linode_v4.sh
+++ b/dnsapi/dns_linode_v4.sh
@@ -76,7 +76,7 @@ dns_linode_v4_rm() {
   _debug _sub_domain "$_sub_domain"
   _debug _domain "$_domain"
 
-  if _rest GET "/$_domain_id/records" && [ -n "$response" ]; then
+  if _H4="X-Filter: { \"type\": \"TXT\", \"name\": \"$_sub_domain\" }" _rest GET "/$_domain_id/records" && [ -n "$response" ]; then
     response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
 
     resource="$(echo "$response" | _egrep_o "\{.*\"name\": *\"$_sub_domain\".*}")"
@@ -131,34 +131,42 @@ _Linode_API() {
 # _domain=domain.com
 # _domain_id=12345
 _get_root() {
-  domain=$1
+  full_host_str="$1"
+
   i=2
   p=1
+  while true; do
+    # loop through the received string (e.g.  _acme-challenge.sub3.sub2.sub1.domain.tld),
+    # starting from the lowest subdomain, and check if it's a hosted domain
+    tst_hosted_domain=$(printf "%s" "$full_host_str" | cut -d . -f "$i"-100)
+    _debug tst_hosted_domain "$tst_hosted_domain"
+    if [ -z "$tst_hosted_domain" ]; then
+      #not valid
+      _err "Couldn't get domain from string '$full_host_str'."
+      return 1
+    fi
 
-  if _rest GET; then
-    response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
-    while true; do
-      h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
-      _debug h "$h"
-      if [ -z "$h" ]; then
-        #not valid
-        return 1
-      fi
-
-      hostedzone="$(echo "$response" | _egrep_o "\{.*\"domain\": *\"$h\".*}")"
+    _debug "Querying Linode APIv4 for hosted zone: $tst_hosted_domain"
+    if _H4="X-Filter: {\"domain\":\"$tst_hosted_domain\"}" _rest GET; then
+      _debug "Got response from API: $response"
+      response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
+      hostedzone="$(echo "$response" | _egrep_o "\{.*\"domain\": *\"$tst_hosted_domain\".*}")"
       if [ "$hostedzone" ]; then
         _domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"id\": *[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
+        _debug "Found domain hosted on Linode DNS. Zone: $tst_hosted_domain, id: $_domain_id"
         if [ "$_domain_id" ]; then
-          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
-          _domain=$h
+          _sub_domain=$(printf "%s" "$full_host_str" | cut -d . -f 1-"$p")
+          _domain=$tst_hosted_domain
           return 0
         fi
         return 1
       fi
+
       p=$i
       i=$(_math "$i" + 1)
-    done
-  fi
+    fi
+  done
+
   return 1
 }