DD-WRT:DNS-O-Matic

What is DNS-O-Matic?
For Users

DNS-O-Matic provides you a free and easy way to announce your dynamic IP changes to multiple services with a single update. Using DNS-O-Matic allows you to pick and choose what Dynamic DNS services you want to notify, all from one easy to use interface. For Developers

DNS-O-Matic provides a scalable and standardized solution for developers to easily provide support for all dynamic DNS / IP services in their software or platform with one simple and consistent API at no cost. For Dynamic DNS Providers

DNS-O-Matic will support dynamic DNS services without any work on your side. As more software clients and hardware vendors adopt the DNS-O-Matic API, the reach and ease of adoption for your service expands automatically.

Why DNS-O-Matic?
Many applications on the Internet rely on knowing your IP address. Providing a scalable platform to allow people to selectively announce when their IP address changes will benefit all sorts of services and applications. And, this isn't just about DNS — everything from your Apple TV to your Xbox 360 can benefit from knowing when your IP changes.

More importantly, it opens the door for a whole new breed of cool Internet applications. We think that's really exciting.

http://www.dnsomatic.com/