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Welcome to DynUp DNS Services! We provide FREE dynamic domain name
service for users with dynamic IP addresses to point a static hostname to
What is dynamic DNS? When you connect to the internet, your ISP
assigns you one of two types of machine readable address (warning!
oversimplification ahead!): static or dynamic. A static address never
changes. A dynamic address changes every time you dial into the ISP and
get on the net. So you may (and probably will) have one address right now
and another address next time you dial in! No big deal if you're just
surfing the net, but what if you want to run a server at home? How
will the name servers all over Internet know that 192.168.1.23 no longer
points to your system but 192.168.1.54 does?
Obviously the name servers need to be told that it changed and this is
where ddns (short for "dynamic domain name service") comes in. It automates the
process of advising the name servers that your IP has changed and ensuring
that http://yourserver.dynup.net always points to your machine so you may access your web/vpn/ftp server.
Please check the news page for any outages, or other news worthy events.