new dns helper class

core/Http/Response.php

@@ -10,10 +10,8 @@ use ThurData\Servers\KerioEmail\Core\Http\View\MainMenu;
 use ThurData\Servers\KerioEmail\Core\Helper\BuildUrl;
 use ThurData\Servers\KerioEmail\Core\App\Controllers\Instances\Addon\Config;
 use ThurData\Servers\KerioEmail\Core\Helper\WhmcsVersionComparator;
-use ThurData\Servers\KerioEmail\App\Libs\Product\ProductManager;
 use ThurData\Servers\KerioEmail\Core\Helper\DnsHelper;
-use ThurData\Servers\KerioEmail\Core\Model\Whmcs\Server;
-
+use ThurData\Servers\KerioEmail\Core\Models\Whmcs\Server;
 /**
  * Description of Response
  *