Malgazar SMP is a chill survival server on 1.21.11 where people actually try to build and not wreck everything. It is hosted in Germany and it stays pretty active with around 13 players online a lot and about 400 overall.
The rules are serious about being respectful. No griefing no stealing no scamming no slurs no drama and no cheating stuff like xray seed maps or duping glitches. PvP is only if both players agree and you also are not allowed to mess with other peoples pets or animals.
It has some QOL changes that make survival smoother like keep inventory and explosions not breaking blocks. There is veinminer teleport to other players and rankings for things like mining and sword use. Fishing has extra rare loot too.
The world border is set to 15k and a lot of players live near the hub around -1k -1k. Only official Minecraft launchers are allowed so no cracked clients.
