TZO Dynamic DNS Client - Version 3.2.1 to a dynamic IP addresses. Cable, DSL Internet users can host their own siteTZO uses true dynamic DNS client/server technology to fix static domain name to a dynamic IP address. This allows Internet users with Cable, DSL and dialupInternet connections to host their own photo server,website, FTPserver, mail server, game servers, or any other TCP/IP. TZO has solutions for all operating systems and also offers integrated and bundled DDNS solution.