WHOIS is a protocol which makes it easy to see the info a particular domain name has been registered with through a command line or by using special web-based lookup sites. This info includes the names, address and email address of the owner, administrator, technical and billing persons in addition to the registrar business the Internet domain has been obtained through, the creation and expiration dates. Aside from several country-code TLDs that have specific limitations, the WHOIS info of any domain address can be edited freely whenever you want, which is quite important provided that in accordance with the policies of the top-level Internet Corporation, ICANN, all details must be current and valid always. Failure to comply with these policies may lead to losing the ownership of an Internet domain and in many cases a domain address could even be removed from the Domain Name System and released for free registration.