The only meaningfull way to use it is with your own domain so you can change the hosters easyly without loosing your whole network of followers/friends. You can

The only meaningfull way to use it is with your own domain so you can change the hosters easyly without loosing your whole network of followers/friends. You can self host for sure but it would be nice to be able to just use your domain with one of the hosters for starters, is there such a possibility?