The WHOIS information of an domain name is a collection of a variety of details which are freely accessed through special lookup Internet sites or a command line. The protocol which makes this possible carries the same name and you could effortlessly see the firm where a domain has been registered, the creation, expiration and last update dates in addition to the names, postal and e-mail address of the people listed as Registrant (owner), Administrative, Technical and Billing contacts for a specific domain name. All of this info ought to be correct and up-to-date at all times; if not the Internet domain registration could be challenged. The latter is a policy of ICANN (the Internet Corporation for Assigned Names and Numbers), therefore you must always make sure that the WHOIS details of your domain names are accurate. Updating the WHOIS for several country-code TLDs is limited, so whenever you register a completely new Internet domain, make sure you double-check the information that you're submitting.