<html> <head> <title>Blacklist Check</title> </head> <body> <center> <form action="" method="get"> <input type="text" value="" name="ip" /> <input type="submit" value="LOOKUP" /> </form> <?php $serverIP = $_SERVER["SERVER_ADDR"]; echo "Server IP is: <b>{$serverIP}</b><br>"; function dnsbllookup($ip){ $dnsbl_lookup=array("dnsbl-1.uceprotect.net","dnsbl-2.uceprotect.net","dnsbl-3.uceprotect.net","dnsbl.dronebl.org","dnsbl.sorbs.net","zen.spamhaus.org"); if($ip){ $reverse_ip=implode(".",array_reverse(explode(".",$ip))); foreach($dnsbl_lookup as $host){ if(checkdnsrr($reverse_ip.".".$host.".","A")){ Host: $listed.=$reverse_ip.'<- Reverse Ip | Your Ip -> '.$ip.' <font color="red">Blacklisted!</font><br /><br>'; } } } if($listed){ echo $listed; }else{ echo '<br>'.$ip.' <font color="green">Is not blacklisted!</font><br />'; } } $ip=$_GET['ip']; if(isset($_GET['ip']) && $_GET['ip']!=null){ if(filter_var($ip,FILTER_VALIDATE_IP)){ echo dnsbllookup($ip); }else{ echo "Please enter a valid IP"; } } ?> </body></center> </html>
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