[dns-operations] Trouble with qa.ws.igt.fiscal.treasury.gov

Mark Andrews marka at isc.org
Tue Oct 18 19:58:21 UTC 2022


Not for DS  as it is part of the parent zone. 

-- 
Mark Andrews

> On 19 Oct 2022, at 06:52, Casey Deccio <casey at deccio.net> wrote:
> 
> 
> 
>> On Oct 18, 2022, at 12:02 AM, Viktor Dukhovni <ietf-dane at dukhovni.org> wrote:
>> 
>>> On Mon, Oct 17, 2022 at 09:52:43PM -0700, cjc+dns-oarc at pumpky.net wrote:
>>> 
>>> Having some problems resolving qa.ws.igt.fiscal.treasury.gov. There is 
>>> pretty clearly a problem,
>>> 
>>> https://dnsviz.net/d/qa.ws.igt.fiscal.treasury.gov/dnssec/
>> 
>> DNSViz struggles to display this properly, because the same underlying
>> nameservers serve both the parent and child zone, and instead of
>> referrals serves authoritative data from the child.  However, the
>> parent zone is signed, and the child zone is not.  A resolver
>> expecting signed answers from the parent sees unsigned answers
>> instead and is liable to get confused.
> 
> The one clear issue that I see here is that the signer field in RRSIGs in responses from fiscal.treasury.gov is treasury.gov:
> 
> $ dig +dnssec @ns1.treasury.gov igt.fiscal.treasury.gov ds | awk '$4 == "RRSIG" { print $12 }'
> treasury.gov.
> treasury.gov.
> 
> Because there is a zone cut at fiscal.treasury.gov, the the signer should be fiscal.treasury.gov.  That being said, I can't tell at-a-glance why DNSViz is drawing ZSK 3908 in the fiscal.treasury.gov zone, rather than in the treasury.gov zone.
> 
> Casey
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