Oh, I forgot rape.pet and rapemeat.express.

Just for the sake of completeness, here are some more you can’t just register on for one reason or another:

• lolison.top (shutting down soon)
• lolison.network
• pedo.school
• ghetti.monster
• cannibal.cafe
• whitewomen.dog
• cunnyborea.space

A couple of those might be single-user. Not sure.