also, you can head to social.zooey.cat/about (with Tor, please.) and look at the "Allied Clans" AKA bubble servers and just block all of those too.
They're full of known terrible instances, i.e cutiepaws.org (pedo shit) or "mapsupport.de" which I don't think I have to explain.
it's a free blocklist, basically
#fediblock