IP Blacklist Check Script
Listed
';
            }
        }
    }
    if (empty($listed)) {
        echo '"A" record was not found';
    } else {
        echo $listed;
    }
}
if (isset($_GET['ip']) && $_GET['ip'] != null) {
    $ip = $_GET['ip'];
    if (filter_var($ip, FILTER_VALIDATE_IP)) {
        echo dnsbllookup($ip);
    } else {
        echo "Please enter a valid IP";
    }
}
?>