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   Pieter Lexis (lieter@mastodon.lieter.nl)'s status on Friday, 17-Nov-2023 00:56:23 JST Pieter Lexis

   in reply to

   @aral DNSVIZ reports no issues: https://dnsviz.net/d/kittens.small-web.org/ZVY34g/dnssec/

   You could try to send SIGUSR1 to resolved when the failure occurs, that makes resolved dump info on its upstreams.

   You could also enable tracing in systemd-resolved to see if the problem is systemd-resolved or further upstream. Tracing can be enabled by creating a service override and restarting systemd-resolved.

   ```
   [Service]
   Environment=SYSTEMD_LOG_LEVEL=debug
   ```