PiHole not forwarding all requests to custom dns anymore.

Hello,
after upgrading to v6, PiHole won't use custom dns-server with CNAME anymore.

For example:
PiHole is 10.8 and custom DNS is 10.27
If i trying lookup a cname entry on 10.27 and ask pi.hole on 10.8 it cant find a valid domain. If i ask 10.27 directly a lookup is successfull. If i nslookup on 10.8 with google it worked.

It worked quietly well before v6.
There are no other dns upstream-servers only 10.27 and i dont use dhcp or anything other in pihole. Pihole is only adblocking.
A entry is set (tryd with and without #53)

Why is pihole v6 not lookup cname entrys correctly anymore in local setup? Thank you!

Please upload a debug log and post just the token URL that is generated after the log is uploaded by running the following command from the Pi-hole host terminal:

pihole -d

or if you run your Pi-hole as a Docker container:

docker exec -it <pihole-container-name-or-id> pihole -d

where you substitute <pihole-container-name-or-id> as required.

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