DynDns - how does it work ?

[Barry Margolin]

In article <bmhdh9$jo3$1 at sf1.isc.org>,
Matthias Blohm  <matthias.blohm at digisec.de> wrote:
>Hello,
>is there anybody out there who could tell me how the dynDns Provider are working.
>I have a question about the fast changing of the nameresolving.
>Why is it so fast.
>You change it and 2 Minutes later its all over the world known well.
>How is the DNS-Server configured.

They set their TTLs very low, so that other servers aren't allowed to cache
the old data for more than a minute or two.

-- 
Barry Margolin, barry.margolin at level3.com
Level(3), Woburn, MA
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