Why I can't access internet in my RPI 4 model B+ where I installed Pi-hole

The issue I am facing:
I am connected to the internet but duckduckgo and google search etc. are not working I can ssh into other devices, but I cannot do simple things like duckduckgo search or access any website even though they aren't blocked by my Pi hole, it's my Raspberry Pi 4 model B+ only have this problem because it's where I installed my Pi hole into. I cannot even curl into raw.githubusercontent.com to download any software!
Details about my system:
Host: Raspberry Pi 4 Model B+ rev 1.4
OS: Debian GBU/Linux 11 (bullseye) aarch64
Kernel: 6.1.21-v8+

What I have changed since installing Pi-hole:
nothing

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 do it through the Web interface:

Tools > Generate Debug Log

https://tricorder.pi-hole.net/AGbFTd6n/

Anyone found a solution my RPI 4 model B can connect to WIFI and access Pi-hole and works properly. The only problem is the connection to WIFI I won't able to visit any website etc. or search google/youtube, they are not blocked by my Pi-hole

This sounds like your RPi running Pi-hole has DNS resolution issues.
Note that Pi-hole wouldn't touch its host's DNS configuration, so the cause for this would likely to be found outside of Pi-hole, e.g. depending on your router's configuration, you may have closed a DNS loop.

Some of Pi-hole's configuration options may contribute to closing such a loop.

Could you please share a fresh debug token?
Your previous one has expired.

Yeah, I fixed it it's my network configuration, I now use the default one and I can access again the websites and domains. Also found out that installing pimox7 messed up my network configuration, even though I uninstalled it and fixed the network.conf files. My system still recognized Proxomox VE 7.2-7 as my OS.

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