Sorun Çözldü.

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,'http://api.hostip.info/get_html.php');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$contents = curl_exec ($ch);
curl_close ($ch);
echo $contents;

?>

scripti ile sunucu ip'nizi öğrenin ve resellerclub whitelist ip listenize girin ip adresinizi

<?php
$domain="r10";
$tld="net";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://test.httpapi.com/api/domains/available.json?auth-userid=*****&auth-password=*****&domain-name=".$domain."&tlds=".$tld."");
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$httpResponse = curl_exec($ch);
print_r($httpResponse);
?>

Kodunu kullanarak gelen sonuca göre işleminizi yapınız.