Many '...query: . IN NS' in query log file

[David Botham]

bind-users-bounce at isc.org wrote on 10/06/2004 12:37:35 PM:
> Hi,
> 
> I'm a bind beginner and I set up a bind9 master public server.
> This seem to work fine according to my tests and those of some dns web 
> checker, but now in my query log file, amongst the 'good' queries, I get 

> hundreds of line like those :
> 
> client 81.206.200.71#1026: query: . IN NS

I am fairly certain this log entry indicates that the computer at IP 
address 81.206.200.71 is asking your name server for the NS RR's for the 
root zone.

Dave...

> 
> What does this mean ?
> Is this normal, or are they misconfigured dns servers ?
> This does not seem to trouble my dns server, just inflate the logs.
> Is there a way to avoid that ?
> 
> -- 
> Nicolas Ecarnot
>