[dns-operations] qwest EDNS implementation error

Tony Finch dot at dotat.at
Tue Jul 11 11:30:04 UTC 2017

Mark Andrews <marka at isc.org> wrote:
> Qwest were informed years ago about this.  They don't seem to want
> to fix their servers.

Mmm, they appear to be running a version of NSD released in 2009.

$ fpdns sauthns1.qwest.net.
fingerprint (sauthns1.qwest.net., NLnetLabs NSD 3.1.0 -- 3.2.8 [New Rules]
fingerprint (sauthns1.qwest.net., 2001:428:0:0:0:0:0:7): NLnetLabs NSD 3.1.0 -- 3.2.8 [New Rules]

$ dig +noedns +noall +answer version.bind ch txt @sauthns1.qwest.net.
version.bind.           0       CH      TXT     "3.2.2"

f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/  -  I xn--zr8h punycode
Fisher, German Bight: Cyclonic 4 or 5, occasionally 6 at first, becoming north
or northwest 5 to 7, perhaps gale 8 later in Fisher. Slight or moderate,
becoming rough later in northeast Fisher. Rain or showers. Moderate or good.

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