You'd have to register each domain. For hosting, you could try to find a free plan, like Heroku, and point the domain there. Or you could buy a VPS or dedicated

You'd have to register each domain. For hosting, you could try to find a free plan, like Heroku, and point the domain there. Or you could buy a VPS or dedicated server. I had a Windows dedicated server once for projects like this, but it was just too expensive to keep.