Free WHOIS lookup tool - Check the public information of any domain name
Check the owner, registrar, expiry date and technical details of any domain name. Our WHOIS search engine provides instant insight into all public domain registration information.
Enter a domain name to retrieve WHOIS information:
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WHOIS is a protocol used to query information about the registration of domain names and IP addresses. It provides access to public data about who has registered a particular domain.
A WHOIS query shows various types of information about a domain name, depending on the domain extension and privacy settings of the owner:
Since the introduction of GDPR in 2018, many personal details in WHOIS records have been protected. Registrars often offer WHOIS Privacy Protection, where personal contact details are replaced by those of the registrar or a privacy service.
The amount of available WHOIS information can vary by domain extension (TLD). Some country code extensions like .nl show less data than generic extensions like .com or .org. Each registry has its own policy for sharing registration data.
The WHOIS protocol has existed since 1982 and was originally intended to help system administrators contact each other about technical problems. Today it is used worldwide for querying domain registration information.
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