nostr:npub1mdky0njswyvy6esxh964apx9e6mmwt8am4wuqk3ds5p4xyaav2dqvlaptk one of the things I love about Firefish is it has little badges on each post showing server info. It's actually just combination of favicon + server name, but that effectively tells you what the server software is 90% of the time.