It does also depend on the workplace though. Here I know some people who would deliberately prominently display such a domain in their presentation as a joke. Not to customers obviously, but for an internal presentation, sure.

Mind you, this is in a non-english speaking European country where the puritans emigrated to the other side of the pond because we were too liberal.

I was curious if our corporate firewall (managed by $parent_company) would block it, but it didn't complain. Which is funny because they do block XKCD (shrug).