Each active domain name is registered on the name of a particular person and during the registration process numerous details are introduced - the owner’s names, address, email, mobile phone number, etc. These details combined with the registrar company name and the registration/expiration dates is addressed 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 a domain has incorrect WHOIS details, it might be reported and if the details are not fixed, the domain address can be erased or the registrar company could take over its ownership. By default, the WHOIS details are public and can be seen on many lookup websites, or for a limited number of country-code extensions - on the Internet sites of the respective Registry organizations. All companies that provide registration services are obligated to provide an uncomplicated way for their customers to access and change the WHOIS information of any Internet domain they own as much as the particular TLD allows it.