checkdnsrr

Definition and usage

checkdnsrr() function checks DNS records of the type corresponding to the host.

We can use the checkdnsrr() function to check our DNS record to verify that the domain name exists.

Example

Check DNS records:

 <?php
$domain = "gitbox.net" ;
if ( checkdnsrr ( $domain , "MX" ) ) {
  echo "Passed" ;
} else {
  echo "Failed" ;
}
?>

grammar

 checkdnsrr ( host , type )

Parameter value