Yes, it's
that service. You place a little program on your computer and
it will make sure that whatever
dyndns.org subdomain you chose keeps
pointing to your computer even if your IP changes.
WHAT??! rss, sorry, but it doesn't mean nothing to my poor knowledge about
computer programming. Could it be more... errr let's say detailed?
I am no dyndns expert. Have you tried to follow the steps of