[newbie] dynamic dns question

[Christopher Taylor]

I am thinking about setting up some domains for my webserver now that everyone here has helped me get it up and running:)  I have a free account with dyndns.com which is updated by my router.  I am looking to see if there is a program that I could run that would update the dyndns entry when the router gets updated (or on a schedule).  Not only that, if I sign up to have multiple domains point to the same dynamic ip, I would need the program to update all accounts with the new ip.  Has anyone had any experience with this and point me in the direction that I should look?  I havn't had much luck googling.  Thanks.

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Christopher Taylor - Registered Linux User #383327