Can I change the domain name of my Mastodon Server?

Unfortunately, no.

The domain name of your Mastodon instance is an essential part of how it functions within the network, and it is impossible to change it without breaking federation.

Let’s imagine you have an account @alice on a server and follow @bob on the server Whenever @bob makes a post, his server ( federates that post to (your server).

Now, if you were to change the domain name used by your server from to, then whenever @bob makes a post, @bob’s server would attempt to federate the post to, which would no longer be online. Also, would never receive that post.

Similarly, if @bob followed @alice at and you changed the server domain to, any posts published after that change would not show up in @bob’s home timeline because @bob does not follow but