The WHOIS information of a domain name is a collection of a number of details that are openly accessed via specific lookup Internet sites or a command line. The protocol that makes this possible has the same name and you may effortlessly see the organization where a domain has been registered, the creation, expiration and last update dates together with the names, postal and email address of those listed as Registrant (owner), Administrative, Technical and Billing contacts for a particular Internet domain. This info ought to be correct and up-to-date constantly; if not the domain registration may be challenged. The latter is a policy of ICANN (the Internet Corporation for Assigned Names and Numbers), this means you must always ensure that the WHOIS details of your domain addresses are accurate. Updating the WHOIS for a number of country-code TLDs is limited, so whenever you register a brand new Internet domain, you ought to double-check the information you're submitting.