remove testing value

zimbraEmail_mx.php

@@ -51,7 +51,7 @@ function ZimbraEmailCheckMX($params)
     
     $resolver = new Net_DNS2_Resolver(array('nameservers' => $nameserver));
     try {
-            $result = $resolver->query('thurdesk.ch', 'MX');
+            $result = $resolver->query($params['domain'], 'MX');
             
     } catch(Net_DNS2_Exception $e) {