Make sure that you tell your registrar that you want to be anonymous.
Edit: wow I missed the phone number censor. I guess that proves my point even farther.
I recommend https://njal.la/ for a privacy respecting domain name provider. It was established by The Pirate Bay founder Peter Sunde.
Depending on your domain, the registrar might not be legally allowed to hide this information. Make sure to know the rules of the TLD you use, as well as the registrar.
Or the opposite: They’re hidden by default! You cannot look up .ch and .li domains unless you submit a manual request.
TIL there’s a command for that. You can use third party websites too. Most scummier domains are registered through third party providers though, which then share just that companies details to hide the actual owners.
What it should look like:
Seems pointless if everything is redacted.
Whois is extremely helpful for non-malicious purposes just like phone books used to be.