The WHOIS information of a domain is a collection of various details which are publicly accessed using specific lookup Internet sites or a command line. The protocol that makes this possible has the same name and you could effortlessly see the company where a domain address has been registered, the creation, expiration and last update dates in addition to the names, postal and email address of the individuals listed as Registrant (owner), Administrative, Technical and Billing contacts for a particular Internet domain. All this information ought to be correct and up-to-date constantly; if it's not the domain address registration may be challenged. The latter is a policy of ICANN (the Internet Corporation for Assigned Names and Numbers), so you should always make certain that the WHOIS details of your domain addresses are legitimate. Updating the WHOIS for numerous country-code TLDs is limited, so whenever you register a new Internet domain, it is best to double-check the info that you are submitting.