In message <20130521134214.ga11...@h.detebe.org>, "Elmar K. Bins" writes:
> Re Mark,
> 
> thanks for your answer (and good morning!),
> 
> ma...@isc.org (Mark Andrews) wrote:
> 
> 
> > > Recursion is off, and the root hints file has been removed from the local
> > > zone config. No effect.
> > 
> > Authoritative nameservers still need to lookup address of nameservers
> > to send NOTIFY messages.  The message you see are as a result of
> > the nameserver doing these lookups.
> 
> Oh, I forgot to mention that all master zones have "notify explicit;" set.
> (Is there a global setting for that?)

What about the slave zones?  They also send notify messages.
 
> So in theory they should not bother looking up root stuff.
> 
> > Additionally you have DNSSEC validation and/or managed keys for the
> > root enabled.
> 
> Err...by default? How do I switch this off?

No.  You have enabled it.
 
> These BIND servers are really strictly internal, no outside routing, no
> forwarders, they are being used for loading, auto-signing and then
> serving-to-internal-slaves a handful of master zones, everything based on
> local info. They can't look anything up and yet they work. So well...maybe
> those lookups are really not needed?
> 
> Cheers,
>       Elmar.
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: ma...@isc.org
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