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bind-users: RE: Unexpected issues with "nslookup" comm

RE: Unexpected issues with "nslookup" command

From: James Roberts-Thomson <James.RobertsThomson036_at_nospam>
Date: Fri Apr 16 2010 - 03:35:34 GMT
To: "" <>

Hi Mark,

Thanks for your response; whilst I accept what your saying, I'm not convinced it applies in this case.

As far as I can tell, recursion is enabled on the servers. (We don't have an allow-recursion entry in the named.conf, and my reading of the documentation implies recursion is enabled by default). An "rndc status" shows "recursive clients: 0/0/1000", which suggests to me that I can have up to 1000 recursive clients simultaneously, and using the same configuration file on a test machine and turning up the debugging level gives "16-Apr-2010 15:34:37.026 client x.x.x.x#35622: recursion available"


James Roberts-Thomson

-----Original Message-----
From: []
Sent: Friday, 16 April 2010 2:57 p.m.
To: James Roberts-Thomson
Subject: Re: Unexpected issues with "nslookup" command

In message <9B2FFF1719120E4C83DE53C2F70CC60755D5899618@SECMCLUST01A.corp.ssi.go>, James Roberts-Thomson writes:
> Can anyone explain what may be happening here, please?

Stub resolvers really should be talking to nameservers that offer
recursion. If it is talking to a nameserver that doesn't offer
recursion then some of the answers returned may be mis-interpreted
by the calling code.

The warning is telling you that you have a configuration error.

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