About WHOIS
WHOIS for: .com .org .be .nl .net .org .info .biz .nu .de .eu .co.uk displays all the owner info about a internet domain.
WHOIS protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information. The protocol stores and delivers database content in a human-readable format.