diff --git a/dnsapi/dns_restena.sh b/dnsapi/dns_restena.sh
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+#!/usr/bin/env bash
+
+# Restena DNS API for acme.sh
+# This script needs to live where the other dnsapi shell scripts are located for acme.sh
+# Proxmox: /usr/share/proxmox-acme/dnsapi
+# Acme: ~/.acme.sh/dnsapi
+#
+# Restena DNS API
+# Author: @SteveClement
+# Date: 31.07.2025
+# AI: True
+# HumMod: True
+#
+# Environment variables used:
+#  RESTENA_TOKEN  - Your Restena API token
+#  RESTENA_ZONE   - Your Restena DNS zone (e.g., example.com)
+#
+# Usage:
+#  export RESTENA_TOKEN="your_api_token"
+#  export RESTENA_ZONE="your_zone.com"
+#  acme.sh --issue -d example.com --dns dns_restena
+
+# Called by acme.sh to add a DNS TXT record
+dns_restena_add() {
+  fulldomain="${1}"
+  txtvalue="${2}"
+
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  _restena_api="https://dnsgui.restena.lu/json.php"
+
+  # Load credentials from environment or saved config
+  RESTENA_TOKEN="${RESTENA_TOKEN:-$(_readaccountconf_mutable RESTENA_TOKEN)}"
+  RESTENA_ZONE="${RESTENA_ZONE:-$(_readaccountconf_mutable RESTENA_ZONE)}"
+
+  if [ -z "$RESTENA_TOKEN" ] || [ -z "$RESTENA_ZONE" ]; then
+    RESTENA_TOKEN=""
+    RESTENA_ZONE=""
+    _err "RESTENA_TOKEN or RESTENA_ZONE not set"
+    _err "Please set your Restena API token and zone and try again."
+    _err "export RESTENA_TOKEN=\"your_api_token\""
+    _err "export RESTENA_ZONE=\"your_zone.com\""
+    return 1
+  fi
+
+  # Save credentials for future automatic renewals
+  _saveaccountconf_mutable RESTENA_TOKEN "$RESTENA_TOKEN"
+  _saveaccountconf_mutable RESTENA_ZONE "$RESTENA_ZONE"
+
+  # Extract the label part by removing the zone suffix
+  label="${fulldomain%."$RESTENA_ZONE"}"
+
+  # This is needed to wrap the request in double quotes
+  data="\\\"$txtvalue\\\""
+
+  _info "Adding TXT record via Restena API..."
+  _debug "Zone: $RESTENA_ZONE"
+  _debug "Label: $label"
+  _debug "TXT value: $data"
+
+  # Construct the JSON body for the API request
+  body="{\"token\":\"$RESTENA_TOKEN\",\"zone\":\"$RESTENA_ZONE\",\"label\":\"${label}\",\"type\":\"TXT\",\"data\":\"$data\"}"
+  _debug "Request body: $body"
+
+  # Set Content-Type header
+  export _H1="Content-Type: application/json"
+
+  # Make the API call to add the TXT record
+  response="$(_post "$body" "$_restena_api" "" "PUT")"
+  _debug "API response: $response"
+
+  # Check if the request was successful
+  if [ -z "$response" ]; then
+    _err "No response from Restena API"
+    return 1
+  fi
+
+  # Basic success check - you may need to adjust this based on actual API responses
+  if _contains "$response" "error" || _contains "$response" "Error"; then
+    _err "Failed to add TXT record: $response"
+    return 1
+  fi
+
+  _info "TXT record added successfully"
+  return 0
+}
+
+# Called by acme.sh to remove a DNS TXT record
+dns_restena_rm() {
+  fulldomain="${1}"
+
+  _debug fulldomain "$fulldomain"
+
+  _restena_api="https://dnsgui.restena.lu/json.php"
+
+  # Load credentials (same as in add function since they run in separate subshells)
+  RESTENA_TOKEN="${RESTENA_TOKEN:-$(_readaccountconf_mutable RESTENA_TOKEN)}"
+  RESTENA_ZONE="${RESTENA_ZONE:-$(_readaccountconf_mutable RESTENA_ZONE)}"
+
+  if [ -z "$RESTENA_TOKEN" ] || [ -z "$RESTENA_ZONE" ]; then
+    RESTENA_TOKEN=""
+    RESTENA_ZONE=""
+    _err "RESTENA_TOKEN or RESTENA_ZONE not set"
+    _err "Please set your Restena API token and zone and try again."
+    return 1
+  fi
+
+  # Extract the label part by removing the zone suffix
+  label="${fulldomain%."$RESTENA_ZONE"}"
+
+  _info "Removing TXT record via Restena API..."
+  _debug "Zone: $RESTENA_ZONE"
+  _debug "Label: $label"
+
+  # Construct the JSON body for the API request
+  body="{\"token\":\"$RESTENA_TOKEN\",\"zone\":\"$RESTENA_ZONE\",\"label\":\"${label}\",\"type\":\"TXT\"}"
+  _debug "Request body: $body"
+
+  # Set Content-Type header
+  export _H1="Content-Type: application/json"
+
+  # Make the API call to remove the TXT record
+  response="$(_post "$body" "$_restena_api" "" "DELETE")"
+  _debug "API response: $response"
+
+  # Check if the request was successful
+  if [ -z "$response" ]; then
+    _err "No response from Restena API"
+    return 1
+  fi
+
+  # Basic success check - you may need to adjust this based on actual API responses
+  if _contains "$response" "error" || _contains "$response" "Error"; then
+    _err "Failed to remove TXT record: $response"
+    return 1
+  fi
+
+  _info "TXT record removed successfully"
+  return 0
+}