getCF.php

<?php

/*
 * getCF.php
 * I got tired of looking up the DNS records of these various hosts
 * to find the real IP of a CloudFlare protected Server.
 * www.bigkesh.com
 * orgy[at]bigkesh[dot]com
 * Usage: php getCF.php domain.com
 * Usage2: www.yoursite.com/getCF.php?find=domain.com
 */

if (!isset($argv[1]) && !isset($_GET['find']))
{
    die("Argument needs to be a valid hostname.\n");
}

$lookupArr = array("mail.", "direct.", "direct-connect.", "cpanel.", "ftp.");

foreach ($lookupArr as $lookupKey)
{

    if (isset($_GET['find']))
    {
        $newline = "<br />";
        $lookupHost = $lookupKey . $_GET['find'];
    }
    else
    {
        $newline = "\n";
        $lookupHost = $lookupKey . $argv[1];
    }

    $foundHost = gethostbyname($lookupHost);

    if ($foundHost == $lookupHost)
    {
        echo "{$lookupHost} had no DNS record.{$newline}";
    }
    else
    {
        echo "{$lookupHost} = {$foundHost}{$newline}";
    }
}

?>