diff --git a/src/etc/inc/dyndns.class b/src/etc/inc/dyndns.class
index 050b3c228a7..e2c2b9c5e9a 100644
--- a/src/etc/inc/dyndns.class
+++ b/src/etc/inc/dyndns.class
@@ -93,7 +93,7 @@
 	 *    - _detectChange()
 	 *    - _debug()
 	 * +----------------------------------------------------+
-	 *  All-Inkl        - Last Tested: 12 November 2016
+	 *  All-Inkl        - Last Tested: 30 May 2025
 	 *  Amazon Route 53 - Last Tested: 04 February 2017
 	 *  Azure DNS       - Last Tested: 08 March 2018
 	 *  City Network    - Last Tested: 13 November 2013
@@ -2978,19 +2978,17 @@
 					}
 					break;
 				case 'all-inkl':
- 					if (preg_match('/good\s' . $this->_dnsIP . '/i', $data)) {
-							$status = $status_intro . $success_str . gettext("IP Address Changed Successfully!") . " (" . $this->_dnsIP . ")";
- 							$successful_update = true;
- 					} else if (preg_match('/good/i', $data)) {
-						$status = $status_intro . $error_str . gettext("Result did not match.");
-					} else if (preg_match("/\s401\sUnauthorized/i", $header)) {
+ 					if (preg_match('/good/i', $data)) {
+						$status = $status_intro . $success_str . gettext("IP Address Changed Successfully!") . " (" . $this->_dnsIP . ")";
+						$successful_update = true;
+					} else if ($http_code == 401) {
 						$status = $status_intro . $error_str . gettext("Invalid username or password");
 					}
 					else {
-							$status = $status_intro . "(" . gettext("Unknown Response") . ")";
-							log_error($status_intro . gettext("PAYLOAD:") . " " . $header . $data);
- 							$this->_debug($data);
- 							$this->_debug($header);
+						$status = $status_intro . "(" . gettext("Unknown Response") . ")";
+						log_error($status_intro . gettext("PAYLOAD:") . " " . $header . $data);
+						$this->_debug($data);
+						$this->_debug($header);
  					}
  					break;
 				case 'hover':