The so-called WHOIS details of every single registered domain include information regarding the registrar company, the registration and expiration dates, as well as the names, phone number, postal address and e-mail address of the owner, the administrator and the tech/billing person. WHOIS is a specific protocol that lets you get all this information either through a command line or by using one of the many Internet websites which provide WHOIS lookup services. All info must be up-to-date in accordance with the policies of ICANN, the Internet Corporation for Assigned Names and Numbers. If some of the details are not accurate, the domain address might be reported and the result could be its removal or losing its ownership. Some country-specific domain extensions have specific limitations regarding the modification of their WHOIS information, but in the standard case any detail can be modified easily and at any time. Such an adjustment will appear on lookup sites within 1 day.