WHOIS (pronounced as the phrase who is) is a query and response 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.

We help you research domain ownership with Whois Lookup: Get ownership info, IP address history, rank, traffic, SEO & more. Go beyond ordinary Whois to discover the people or organizations behind a domain name or IP address, discovering connections between domains, persons, organizations, IP addresses.Protect tangible and digital assets and intellectual property against cybercrime, brand fraud, and theft.