Just had it happen on the conservative community on lemm.ee

Even looking at the community incognito, there's no indication that the account is banned.

EDIT: It appears to not be a sitewide ban, only a community one. However it's really concerning that it doesn't show up officially and transparently.

EDIT 2: It would appear that !conservative@lemm.ee isn't moderated by anyone except the lemm.ee admin, and they've taken to silently banning people to avoid any paper trail or scrutiny.