PHP/DNS/dns get mx

Using the dns_get_mx() Function

   <source lang="html4strict">

<?php

   $hostname = "google.ru";
   if(dns_get_mx($hostname, $mxhosts, $weights)) {
       foreach($mxhosts as $key => $host) {
           echo "Hostname: $host (Weight: {$weights[$key]}
\n";
       }
   } else {
       echo "Could not find any MX records for $hostname\n";
   }

?>

 </source>