new settings section

core/Helper/DnsHelper.php

@@ -116,7 +116,7 @@ class DnsHelper
                 }
             }
             if(empty($vars['mx'])){
-                $vars['mx'] = [ 'status' => 'wrong', 'target' => $mxRrecord->exchange];
+                $vars['mx'] = [ 'status' => 'wrong', 'target' => $mxRecord->exchange];
             }
         }