Aww hell no.

That's what I get on this address:

Diese Webseite ist aus urheberrechtlichen Gründen nicht verfügbar. Zu den Hintergründen informieren Sie sich bitte hier.

Basically blocked for copyright reasons. And the 'hier' leads here:

https://cuii.info/ueber-uns/

I have less rights to access the information than LLMs have.

And they set up this dumb thing in 2021. Is this country evolving backwards?

Use another DNS and you should be fine - it's not blocked on the IP level.