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If you are Experiencing issues with a Pi-hole install that has non-standard elements (e.g you are using nginx instead of lighttpd, or there is some other aspect of your install that is customised) - please use the Community Help category.
Expected Behaviour:
i installed Pihole to my new raspberry pi, added the static IP of my PI into my asus router DNS1. DNS2 was my surfshark VPN's DNS. So was DNS1 but I cleared it out. Was able to resolve websites, thought Pihole was working.
When I learned the only DNS entry should be in DNS1 to contain the Pi IP address, I cleared out DNS2. Then I could not resolve any websites. rebooting PI, rebooting router, rebooting PC, didnt help.
(When providing a debug token, just post the token that is shown once the debug finishes (preferably by copy and paste). For your own privacy and security, please do not post the full, unsanitised output here. Yours was also too scrambled/malformatted to be useful)
Edit: Just noticed that your referenced discussion states your are running a Docker Pi-hole in portainer - that's an important piece of information that should be included here directly.
I've switched category to docker accordingly.