I use a “real name” domain. My last name ends in the letters “in”, so I bought a .in domain, such that the domain name is my last name with a dot in it.
Can’t honestly recommend that approach. It’s a cute gimmick, but when non-technical people ask for your email address and it doesn’t end in a TLD they recognize, their heads explode. I usually give out my gmail address.
I tend to think people shit on Musk more than they should, but holy shit does it bug me when a CEO talks about engineering problems with such bravado.