PHP AJAX Instant Domain Availability Checker
PHP AJAX Instant Domain Availability Checker Demo

Main Features

1. AJAX!
   
   
2. No external PHP/JavaScript libraries. Just do a php include to add it to your page. It is that easy!
   
   
3. Supports most domains (e.g. .ES is not supported as it has no public whois servers).
   
   
4. Keeps a list of available domains in a separate box
   
   
5. No MySQL required. PHP 4.4.7 Tested. PHP 5 Tested.
   
   
6. Licenced under Creative Commons Attribution 3.0 License. Free but attribution required!

AJAX Domain Checker In Action