Mega Code Archive

 

Categories / Php / DNS

 

Determining the Hostname of a Remote IP

<?php     $hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);     if($hostname === $_SERVER['REMOTE_ADDR']) {         echo "The host name could not be resolved.<BR/>\n";     } else {         echo "The host name is: $hostname<BR/>\n";     } ?>