コード例 #1
0
 /**
  * @return bool Whether or not an MX record exists for the
  *              email address's host name.
  */
 protected function checkDNS()
 {
     $mxRecordExists = checkdnsrr(trim($this->parser->getParsedDomainPart()), 'MX');
     if (!$mxRecordExists) {
         $this->warnings[] = self::DNSWARN_NO_RECORD;
         $this->addTLDWarnings();
     }
     return $mxRecordExists;
 }