Each and every active domain name is registered on the name of an individual and during the registration process a lot of details are submitted - the owner’s names, address, e-mail, cell phone number, etc. This info along with the registrar company name and the registration/expiration dates is known as WHOIS of the domain and in accordance with the policies of Internet Corporation for Assigned Names and Numbers (ICANN) it ought to be current and correct. If an Internet domain has invalid WHOIS details, it could be reported and if the details are not fixed, the domain name may be erased or the registrar company could take over its ownership. By default, the WHOIS info is public and may be seen on a lot of lookup sites, or for a smaller number of country-code extensions - on the sites of the respective Registry organizations. All companies that provide registration services are required to provide an uncomplicated way for their clients to access and modify the WHOIS details of any domain they own as much as the specific TLD allows it.