How many nameservers?
ben.croswell at gmail.com
Tue Feb 3 12:33:51 UTC 2009
That was my understanding. It would only overflow if you actually had
enough NS records that the NS records themselves couldn't fit in the answer
On Tue, Feb 3, 2009 at 1:00 AM, Barry Margolin <barmar at alum.mit.edu> wrote:
> In article <gm7ksm$198c$1 at sf1.isc.org>, bsfinkel at anl.gov wrote:
> > One downside - if you have many NS records, then they might not all
> > fit in one UDP packet (the Authority and/or Addition sections of a
> > response to a DNS query). This will cause the protocol to revert
> > to TCP.
> Truncation isn't supposed to happen if you overflow in the Additional
> section, is it? These records are already optional, so they can be left
> out if it would cause the packet to exceed the maximum UDP size.
> Barry Margolin, barmar at alum.mit.edu
> Arlington, MA
> *** PLEASE don't copy me on replies, I'll read them in the group ***
> bind-users mailing list
> bind-users at lists.isc.org
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