Dyndns 

DDNSServ allows you to Run your own DDNS or Dynamic DNS service. The server suite is fully featured with full support for MX, CNAME, and even NS records. With DDNSServ, you can offer the internet community a valid alternative to static IP addressing.......

Dynamic IP Update Service is simply a way of attaching a static hostname to a dynamic IP address.
On the Internet, there are a limited number of IP addresses. When you connect to your ISP, you are assigned a temporary IP address that other computer......

DDNSServ allows you to Run your own DDNS or dynamic DNS service. The server suite is fully featured with full support for MX, CNAME, and even NS records. With DDNSServ, you can offer the internet community a valid alternative to static IP addressing.......

MintDNS 2006 Enterprise is a fully featured server suite that allows you to run your own enterprise level DDNS Server. Providing both Dynamic and Static DNS services MintDNS supports standard update protocols which enables support for many third pa......

 Dyndns