When you register a domain name, you are obliged to provide a valid home address, email account and phone as per the policies approved by ICANN, the Internet Corporation for Assigned Names and Numbers. This information, however, is not kept only by the registrar, but is visible to the public on WHOIS check sites too, so anybody can check your info and many individuals may not be OK with that fact. Consequently, a lot of registrars have launched the so-called Whois Privacy Protection service, which conceals the domain registrant’s contact info and upon a WHOIS lookup, people will see the details of the domain registrar, not the domain owner’s. This service is also called Privacy Protection or Whois Privacy Protection, but all these expressions refer to the exact same service. At the moment, most of the Top-Level Domains around the globe allow Whois Privacy Protection to be added, but there are still country-specific extensions that do not support this option.