Strange behaviour after nsupdate

Christian Ruppert idl0r at
Tue Nov 9 21:25:22 UTC 2010

On 11/09/2010 10:11 PM, Christian Ruppert wrote:
> Hey guys,
> I have a zone that I update remotely via nsupdate. When I update the
> zone and query it internal (view) I get the correct answer but when I do
> a query from outside I still get the old A record.
> So the same nameserver gives different answers.
> "dig A +short".
> I have a internal view as well as a external view. The biggest
> difference between those two is that the external view has recursion,
> additional-from-auth and additional-from-cache disabled.
> Both views include the hint (root.cache) and the same zones.conf.
> The internal view includes additionally and a localhost
> zone.
> ls -l /etc/bind/dyn/*
> -rw-r--r-- 1 named named  386 2010-11-07 11:22
> /etc/bind/dyn/
> -rw-rw---- 1 root  named 2636 2010-11-07 11:08
> /etc/bind/dyn/
> Any ideas what could be wrong?

I forgot to mention that I use bind-9.7.2-P2.
Removing the journal (as a workaround for now) helps although it's no
The nsupdate commands are:
update delete <TTL> A <OLDIP>
update add <TTL> A <NEWIP>

Christian Ruppert

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