[dns-operations] Odd query issue

Mohamed Lrhazi ml623 at georgetown.edu
Sun Mar 3 08:20:03 UTC 2013

It does not look like it: In wireshark, the only flag I see set in the
query is dns.flags.recdesired
In the response only these are set:
dns.flags.response, dns.flags.authoritative, dns.flags.recdesired

I received, off list, a few more hints about things to check and test and
hopefully tomorrow I'll find something :)

Thanks all,

On Sun, Mar 3, 2013 at 2:56 AM, Phil Pennock <dnsop+phil at spodhuis.org>wrote:

> On 2013-03-02 at 19:06 -0500, Mohamed Lrhazi wrote:
> > One, and only one specific query so far, is failing, systematically, like
> > so, on a mail appliance of ours:
> >
> > > dig @ mail.rwjf.org
> That DNS server is returning FORMERR when queried with an EDNS name
> server ID (NSID) request (RFC 5001).
> Does the mail appliance provide a digrc file which is setting +nsid ?
> If you capture the full DNS packets off the wire and decode them, is
> that option present?
> -Phil
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