<?php
function checkDomainAvailability($domain_name){
$server = 'whois.crsnic.net';
// Open a socket connection to the whois server
$connection = fsockopen($server, 43);
if (!$connection) return false;
// Send the requested doman name
fputs($connection, $domain_name."\r\n");
// Read and store the server response
$response_text = ' :';
while(!feof($connection)) {
$response_text .= fgets($connection,128);
}
// Close the connection
fclose($connection);
// Check the response stream whether the domain is available
if (strpos($response_text, 'No match for')) return true;
else return false;
}
$domainname = 'accurst.com';
if(checkDomainAvailability($domainname)) echo 'Domain : '.$domainname.' is Available';
else echo 'Domain : '.$domainname.' is Already Taken';
?>