The so-called WHOIS details of any registered domain include information regarding the registrar firm, the registration and expiration dates, plus the names, telephone number, postal address and email address of the owner, the admin and the tech/billing person. WHOIS is a special protocol that enables you to retrieve this information either through a command line or using one of the many websites that provide WHOIS lookup services. All details should be up-to-date as per the policies of ICANN, the Internet Corporation for Assigned Names and Numbers. If some of the information is not accurate, the domain name can be reported and the result could be its removal or losing its ownership. Some country-specific domain extensions have specific limitations regarding the change of their WHOIS info, but in the standard scenario any detail can be changed openly and at any time. Such a modification will show up on lookup websites within twenty four hours.