/**
  * @param string $name
  * @param int $type
  * @param string $email
  * @param int $id
  * @param array $records
  * @param int $subnet_mask
  * @param string|null $nsdomain
  */
 function __construct($name, $type, $email, $id, $records = array(), $subnet_mask = 0, $nsdomain = null)
 {
     $this->id = $id;
     $this->subnet_mask = $subnet_mask;
     parent::__construct($name, $type, $email, $records, $nsdomain);
 }