Every active domain is registered on the name of a person and through the registration procedure numerous details are introduced - the owner’s names, address, email, mobile phone number, and so on. This information combined with the registrar company name and the registration/expiration dates is known as WHOIS of the domain name and in agreement with the policies of Internet Corporation for Assigned Names and Numbers (ICANN) it should be current and legitimate. If a domain address has invalid WHOIS details, it can be reported and if the details are not fixed, the domain name could be deleted or the registrar company could take over its ownership. By default, the WHOIS information is public and could be seen on a lot of lookup websites, or for a smaller number of country-code extensions - on the websites of the respective Registry companies. All businesses that offer registration services are obliged to provide an easy way for their clients to access and edit the WHOIS details of any Internet domain they own as much as the particular TLD allows it.