Check if one of MX, A or AAAA DNS RR exists.
Parameters
string $host Host:
Return value
Boolean
File
- drupal/core/vendor/symfony/validator/Symfony/Component/Validator/Constraints/EmailValidator.php, line 81
Class
- EmailValidator
- @author Bernhard Schussek <bschussek@gmail.com>
Namespace
Symfony\Component\Validator\Constraints
Code
private function checkHost($host) {
return $this
->checkMX($host) || (checkdnsrr($host, "A") || checkdnsrr($host, "AAAA"));
}