“Unlock the Secret to Keeping Your Personal Data Safe: Discover the Power of Domain Privacy!”
For example, when I looked up one of my domains registered with WordPress.com using a public WHOIS database lookup tool, the registrant contact listed was Knock Knock WHOIS Not There, LLC (see what we did there?).
Without domain privacy, my name, address, phone number, and email address would be shown instead.

Why is Domain Privacy Worth Having?
As the internet has grown, so have privacy risks and spam. WHOIS was designed to be transparent, publicly accessible, and easily queryable by engineers, making it particularly easy to scrape domain holders’ names, emails, mailing addresses, and phone numbers.