[Pdns-users] pdns recursor 3.2 cname resolution phenomenon

[bert hubert]

Thomas,

Please provide real domain names, otherwise I can't test.

Kind regards,

Bert Hubert

On Wed, Sep 22, 2010 at 04:53:22PM +0200, Thomas Mieslinger wrote:
> On 09/20/10 07:53 AM, bert hubert wrote:
> >On Mon, Sep 20, 2010 at 07:32:51AM +0200, Thomas Mieslinger wrote:
> >>we're using pdns recursor for out company internal name resolution.
> >>[..]
> >>containing answer has the NXDOMAIN Bit set.
> >
> >Can you elaborate a bit more? I think this issue is ""fixed"" in 3.3, which
> >[..]
> >Let me know if this solves your problem.
> 
> Hi Bert,
> 
> I installed pdns_recursor 3.3-rc3 from svn.powerdns.com. Sorry, my
> Problem isn't gone...
> 
> I did some packet dumping ...
> 
> dig db686.XXX.de @recursor
> 
> tcpdump on the recursor:
> IP recursor.38240 > authdns.53: 19990 A? db686.XXX.de. (38)
> IP authdns.53 > recursor.38240: 19990 NXDomain*- 1/1/0 CNAME[|domain]
> 
> The answer packet contains
> 
> db686.XXX.de IN CNAME db686.YYY.de
> 
> And has the AUTHORITY bit set.
> 
> At this point I would like the recursor to try another resolution
> with db686.YYY.de but that would probably break the code and the
> idea behind DNS.
> 
> So now, that I understood my problem, I don't think the code needs
> to be fixed :-(
> 
> Regards Thomas
> 
> -- 
> Thomas Mieslinger
> 
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