This is pretty cool for projects where I want to register the domain, but don't have any content yet. But once I'm ready to move to my own server, there should

This is pretty cool for projects where I want to register the domain, but don't have any content yet. But once I'm ready to move to my own server, there should be a way to update DNS records (and manage renewals). I wish this were a feature of an existing registrar, than a product itself.