Currently in Russia. Using a residential internet connection, no VPN or something. (Read: I'm definitely not "clean on opsec")

Surprise: Mastodon.social works (in contrast to mastodon.de which seems to be blocked-ish)
But nearly every link people post here is inaccessible.
Generally interesting what is (and sometimes isn't) blocked.

Most stuff with a domain ending in ".de" is blocked. All German political parties I tried didn't work as well as all public broadcasting. Other news outlets vary and I fail to see a pattern: Big ones are often blocked, smaller ones sometimes too (nd); far right stuff (e.g. nius, compact) is mostly accessible, but some stuff on the left is as well (taz, campact).
Arne Semsrott projects can be a-ok like Freiheitsfonds, or unwanted as FragDenStaat.