alt Hacker NewsWith cloudflare you can also just setup catch-all and be done wirh it.
I personally doing catch-all already, but problem is that using your own domain for website registration basically gives everyone unique id to eaaily connect all the information that ever been leaked for your accounts and something always gets leaked.
Not a very good idea for privacy.
The biggest upside for me of having separate labelled mailboxes is I can use one, delete it later and never receive mail from it again.