[47062] in North American Network Operators' Group
Re: incorrect NXDOMAIN response from DNS server
daemon@ATHENA.MIT.EDU (Simon Lockhart)
Thu Apr 25 02:07:23 2002
Date: Thu, 25 Apr 2002 07:06:32 +0100
From: Simon Lockhart <simonl@rd.bbc.co.uk>
To: Jun-ichiro itojun Hagino <itojun@itojun.org>
Cc: nanog@nanog.org
Message-Id: <20020425060630.GA3290@rd.bbc.co.uk>
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On Thu Apr 25, 2002 at 11:30:27AM +0900, Jun-ichiro itojun Hagino wrote:
> there are name server implementations (probably load balancing product)
> that responds with NXDOMAIN, when it should respond with NOERROR with
> empty reply. one example is news.bbc.co.uk.
Guilty as charged. Seems to only have been a problem since the deployment
of IPv6
> do you know:
> - name of particular implementation which have/had this bug?
"BBC Intelligent Load Balancing DNS Server"
> - other examples of nameservers that behave like this?
> (windowsupdate.microsoft.com behaved like this in Feb 2002, but
> they are already fixed)
Oh, so it's not just us.
> - how can we get people to fix it? (client side workaround should
> not be populated, just to be sure)
Name and shame seems to work ;-) I believe I have now fixed it. Please let me
know if you think otherwise.
Simon
--
Simon Lockhart | Tel: +44 (0)1737 839676
Internet Engineering Manager | Fax: +44 (0)1737 839516
BBC Internet Services | Email: Simon.Lockhart@bbc.co.uk
Kingswood Warren,Tadworth,Surrey,UK | URL: http://support.bbc.co.uk/
