DNS not reachable but hostname yes

What is the problem?

I have an octoprint in a docker container and it does not have access to the internet but the integrated connection test manages to access octoprint.org but not the google dns and I cannot install plugins

What did you already try to solve it?

Have you tried running in safe mode?

yes

Did running in safe mode solve the problem?

no

Systeminfo Bundle

You can download this in OctoPrint's System Information dialog... no bundle, no support, unless the reason you couldn't retrieve the bundle is your network issues

WRITE HERE

Additional information about your setup

Hardware you are trying to connect to, hardware you are trying to connect from, router, access point, used operating systems, ... as much data as possible

WRITE HERE

About zero information will get you about zero help.

Need to post the system info bundle.