diff --git a/acme.sh b/acme.sh
index 5d73cdb6..d5caee4d 100755
--- a/acme.sh
+++ b/acme.sh
@@ -2229,15 +2229,19 @@ _send_signed_request() {
         _debug3 _body "$_body"
       fi
 
-      _retryafter=$(echo "$responseHeaders" | grep -i "^Retry-After *:" | cut -d : -f 2 | tr -d ' ' | tr -d '\r')
-      if [ "$code" = '503' ] || [ "$_retryafter" ]; then
+      _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
-        _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
+        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 $_sleep_retry_sec seconds."
@@ -2408,7 +2412,7 @@ _getdeployconf() {
     return 0 # do nothing
   fi
   _saved="$(_readdomainconf "SAVED_$_rac_key")"
-  eval $_rac_key="$_saved"
+  eval $_rac_key=\$_saved
   export $_rac_key
 }
 
@@ -5782,6 +5786,7 @@ deploy() {
     return 1
   fi
 
+  _debug2 DOMAIN_CONF "$DOMAIN_CONF"
   . "$DOMAIN_CONF"
 
   _savedomainconf Le_DeployHook "$_hooks"
@@ -6141,8 +6146,22 @@ 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 "$response" ]; then
         _info "Revoke success."
@@ -6158,21 +6177,6 @@ revoke() {
   else
     _info "Domain key file doesn't exist."
   fi
-
-  _info "Try account key."
-
-  if _send_signed_request "$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
 }
 
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_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_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_leaseweb.sh b/dnsapi/dns_leaseweb.sh
index 63f81869..4cd3a8f8 100644
--- a/dnsapi/dns_leaseweb.sh
+++ b/dnsapi/dns_leaseweb.sh
@@ -6,7 +6,7 @@
 #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() {