DNSSEC validation broken trust July 22-23rd time.nist.gov

J Doe general at nativemethods.com
Fri Jul 25 22:28:58 UTC 2025


Hi Julian,

Ok, thanks.  It slipped my mind to use DNSviz - thank you for mentioning it.

- J

On 7/24/25 01:19, Julian Panke wrote:
> Hi,
>
> DNSviz is showing the issue very clearly so it was not on your side https://dnsviz.net/d/time.nist.gov/aID54g/dnssec/
>
> regards
>
> Julian Panke
>
>
>
> -------- Ursprüngliche Nachricht --------
> Am 24.07.25 00:18 schrieb J Doe <general at nativemethods.com>:
>
>>   Hi,
>>   
>>   I have a small mail server that is using: BIND 9.20.11 and performs
>>   recursion and DNSSEC validation.
>>   
>>    From yesterday (July 22nd), to today (July 23rd), I noticed the
>>   following in the server logs
>>   
>>   22-Jul-2025 23:59:50.347 lame-servers: info: no valid RRSIG resolving
>>   'glb.nist.gov/DNSKEY/IN': 132.163.4.64#53
>>   22-Jul-2025 23:59:50.347 lame-servers: info: broken trust chain
>>   resolving 'ntp1.glb.nist.gov/A/IN': 129.6.13.8#53
>>   22-Jul-2025 23:59:50.347 query-errors: info: client @0xe3af1ee9020
>>   127.0.0.1#13211 (time.nist.gov): query failed (broken trust chain) for
>>   time.nist.gov/IN/A at query.c:7849
>>   
>>   The host in question (time.nist.gov), is used by this server for NTP.
>>   The problem appears to have resolved itself today (July 23rd), at around
>>   10:00 AM EDT and happily NTP is able to complete with this particular host.
>>   
>>   Did anyone else notice something similar ?
>>   
>>   Thanks,
>>   
>>   - J
>>   
>>   --
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