DynDns is a client program (on the task bar) that helps users who have a DSL, cable, satellite connection to host their servers at home. The DynDnsClient does the corresponding relation between the domain name and the machine. It allows you to define your MX email server and also your sub domains. With the DynDnsClient, you can host all your application servers: Web, e-mail, ftp, and databases. A domain name is offered for new subscriber.Version 3 is a bug fixing release.