DNS Validation

Code:

<html>
<head>
<title> hostname validator </title>
</head>
<body>
<?php
$hostname = "www.codemiles.com";

if (!isset($hostname)) {
   die("Hostname value wasn't properly submitted. Retry.");
}
                           
if(empty($hostname)){
   die("Hostname field was left blank ! Retry."); 
}
echo "<b>". $hostname ."</b> ";
                           
if(checkdnsrr($hostname)) {
    echo "has a valid MX record !<br>";
}else{
    die("does not exist");
}
?>
</body>
</html>

_________________
M. S. Rakha, Ph.D.
Queen's University
Canada

Author: DrRakha
Mastermind

Posts: 2715
Have thanks: 74 time

Page 1 of 1

[ 1 post ]

Related Posts to : DNS Validation
XML validation against DTD -
Validation using Ajax -
US Zip Code Validation -
What will be validation for Zip code ? -
validation using JavaScript -
validation on number -
date validation in asp -
Email validation in Javascript -
Form Validation Problem -
AJAX form validation -

Topic Tags

PHP Networking

Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group
All copyrights reserved to codemiles.com 2007-2011
mileX v1.0 designed by codemiles team
Codemiles.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com