TZO Dynamic DNS Lite
TZO Client is a classic version of software that links a domain name to a dynamic IP address. It incorporates dynamic DNS client/server technology and has a reliable infrastructure.
Tzolkin Corporation 
TZO Dynamic DNS Client
TZO is a software that enables Cable, DSL and dialup internet users to host their own websites by using its dynamic DNS client/server technology. It fixes static domain name to dynamic IP address, making it easier for users to access their websites.
TZO Dynamic DNS Client with Photo Sharing
TZO software enables hosting of Photo, web and mail servers, and provides a dynamic DNS client/server technology for associating static domain names with dynamic IP addresses. It supports cable and DSL internet users and offers a free trial.
MyWANIP
MyWanIp is a utility software for Windows 95 to XP that helps users to discover their WAN IP address. It is useful for home and small business users with broadband routers like D-Link, Netgear, and Cisco.