PHP Tutorial: Domain Name Availability Checker PHP Script
by : jawahar
source :


Domain name availability checker php script shown below is a very easy to install script if your webserver is php enabled. The domain availability checker also checks bulk domain names in just a single click.

Just input the desired domain name in the text box and click "check domain availability" button to get the results on the fly.

error_reporting(0);
set_time_limit(0);
ob_start();

$ext = array(
'.com' => array('whois.crsnic.net','No match for'),
'.net' => array('whois.crsnic.net','No match for'),
'.biz' => array('whois.biz','Not found'),
'.mobi' => array('whois.dotmobiregistry.net', 'NOT FOUND'),
'.tv' => array('whois.nic.tv', 'No match for'),
'.in' => array('whois.inregistry.net', 'NOT FOUND'),
'.info' => array('whois.afilias.net','NOT FOUND'),
'.co.uk' => array('whois.nic.uk','No match'),
'.co.ug' => array('wawa.eahd.or.ug','No entries found'),
'.or.ug' => array('wawa.eahd.or.ug','No entries found'),
'.nl' => array('whois.domain-registry.nl','not a registered domain'),
'.ro' => array('whois.rotld.ro','No entries found for the selected'),
'.com.au' => array('whois.ausregistry.net.au','No data Found'),
'.ca' => array('whois.cira.ca', 'AVAIL'),
'.org.uk' => array('whois.nic.uk','No match'),
'.name' => array('whois.nic.name','No match'),
'.us' => array('whois.nic.us','Not Found'),
'.ac.ug' => array('wawa.eahd.or.ug','No entries found'),
'.ne.ug' => array('wawa.eahd.or.ug','No entries found'),
'.sc.ug' => array('wawa.eahd.or.ug','No entries found'),
'.ws' => array('whois.website.ws','No Match'),
'.be' => array('whois.ripe.net','No entries'),
'.com.cn' => array('whois.cnnic.cn','no matching record'),
'.net.cn' => array('whois.cnnic.cn','no matching record'),
'.org.cn' => array('whois.cnnic.cn','no matching record'),
'.no' => array('whois.norid.no','no matches'),
'.se' => array('whois.nic-se.se','No data found'),
'.nu' => array('whois.nic.nu','NO MATCH for'),
'.com.tw' => array('whois.twnic.net','No such Domain Name'),
'.net.tw' => array('whois.twnic.net','No such Domain Name'),
'.org.tw' => array('whois.twnic.net','No such Domain Name'),
'.cc' => array('whois.nic.cc','No match'),
'.nl' => array('whois.domain-registry.nl','is free'),
'.pl' => array('whois.dns.pl','No information about'),
'.pt' => array('whois.dns.pt','No match')
);
function return_status($domain, $status)
{
global $extension;
$domain = trim($domain);
$wt = ($status == 'available') ? 'bold' : 'normal';
if($status == 'invalid' && $extension == 'org') { $status .= ' (.org WHOIS prevents request)'; }

echo "

$domain is $status!

";
}
?>

Domain Name Availability Checker

Enter Domains - 1 per line. (Ex: google.com) <?=$sUrl?> <br />

Domain Name Availability Report if(strlen($_POST['domains']) > 0) { $domains = explode("\n", $_POST['domains']); echo ' Checking ' . count($domains) . ' domains '; echo (isset($_POST['save'])) ? 'Processing results, Please wait... ' : null; foreach($domains as $domain) { unset($buffer); preg_match('@^(http://www\.|http://|www\.)?([^/]+)@i', $domain, $matches); $domain = $matches[2]; $tld = explode('.', $domain, 2); $extension = strtolower(trim($tld[1])); if(strlen($domain) > 0 && array_key_exists('.' . $extension, $ext)) { $server = $ext['.' .$extension][0]; $sock = fsockopen($server, 43) or die('Error Connecting To Server:' . $server); fputs($sock, "$domain\r\n"); while( !feof($sock) ) { $buffer .= fgets($sock,128); } fclose($sock); if($extension == 'org') echo nl2br($buffer); if(eregi($ext['.' . $extension][1], $buffer)) { return_status($domain, 'available'); } else { return_status($domain, 'taken'); } } else { if(strlen($domain) > 0) { return_status($domain, 'invalid'); } } ob_flush(); flush(); sleep(0.1); } } else { echo 'Please enter one or more domains!'; } ?>

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