DynDNS Updater

DynDNS Updater is an application that keeps your hostname's IP address up-to-date. The update client periodically checks your network's IP address; if it sees that your IP address has changed, it sends (updates) the new IP address to your hostname in your DynDNS.com account. Download Free DynDNS Updater. DynDNS Updater File Size 850 KB . DynDNS Updater Website

Note:
Must register an account with dyndns first.