WHOIS is a protocol which makes it possible to see the details a particular domain name has been registered with through a command line or through the use of special web-based lookup sites. This information includes the names, address and email address of the owner, administrator, tech and billing persons in addition to the registrar business the domain address has been purchased through, the creation and expiration dates. Apart from several country-code TLDs that have specific limitations, the WHOIS information of any domain address can be edited freely whenever you want, which is quite vital provided that in line with the policies of the top-level Internet Corporation, ICANN, all details ought to be current and legitimate always. Failing to comply with these policies may lead to losing the ownership of an Internet domain and in some cases a domain name might even be removed from the Domain Name System and released for free registration.