One day, long 2 years ago, one of my website's users did a whois on my DNS name, found my phone number there and called me (in the middle of the night) to tell

One day, long 2 years ago, one of my website's users did a whois on my DNS name, found my phone number there and called me (in the middle of the night) to tell me he had a problem with his account. Guess I didn't hide my phone well enough :-P