Dns updating software
DNS Made Easy Enterprise DNS services provide support for dynamic IP addresses and the capability to issue instantly propagated IP updates as soon as a change is made.Dynamic DNS clients allow you to perform IP updates by passing parameters to an http or http S request.
Simple DNS Plus runs on all client and server versions of Windows XP/2003 up to current versions.
Simple DNS Plus has an HTTP API and several other options for easy integration with your web-site, applications, etc.
There is a long list of plug-ins available to provide extended functionality - including a DHCP server.
Simple DNS Plus also comes with a DNS Look Up tool, has built-in zone version control, and a bunch of other unique features...
The below information still holds true, but DNS-O-Matic, a free service from Open DNS, gives you an easy way to distribute your dynamic IP changes to multiple services with a single update.