Strange pi-hole problem after some hours

ok, DNSSEC is disabled and i will not enable it again since the problem is solved...

I can confirm the described problem. Same setup:
-> Fritzbox 7590 as router and only uptream resolver
-> conditional forwarding on
-> DNSSEC on

I have disabled DNSSEC and conditional forwarding now. At the moment, system is stable.

@s.beimer
Thanks for this info, important for me that´s the source of the problem is not my personal network setup!

@DL6ER
Will test this in the next time... is there any chance to fix it? think other users with the same setup will have the same problem...

Of course! We aim to fix anything. However, one of the two has to be true:

  1. I can reproduce the issue: Fixing it is much easier.
  2. I cannot reproduce it: Oh well ... then the way down to finding what is really happening can be long.

Two days and the system is stable with DNSSEC disabled (need conditional forwarding for the Top List naming), think DNSSEC is the source of the problem in a setting with FRITZ!Box as Router and Upstream DNS! For me the problem is solved, thanks!

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