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  1. Free Whois Lookup - Whois IP Search & Whois Domain Lookup ...

    You can use the Whois lookup service to find the registration status of a domain name. If the domain has not been registered and is available, you can use Whois.com to register the …

  2. WHOIS Search, Domain Name, Website, and IP Tools - Who.is

    What is WHOIS? WHOIS is a widely used internet protocol to query databases storing information about registered users of domain names, IP addresses, and autonomous systems. It helps …

  3. ICANN Lookup

    The registration data lookup tool and WHOIS failover lookup results are shown to help users obtain information about domain name registration records, and for no other purpose.

  4. Whois Lookup, Domain Availability & IP Search - DomainTools

    Research domain ownership with Whois Lookup: Get ownership info, IP address history, rank, traffic, SEO & more. Find available domains & domains for sale.

  5. WHOIS - Wikipedia

    WHOIS (pronounced as the phrase "who is") is a query and response protocol that is used for querying databases that store an Internet resource's registered users or assignees. These …

  6. IANA WHOIS Service

    IANA WHOIS Service The IANA WHOIS Service is provided using the WHOIS protocol on port 43. This web gateway will query this server and return the results. Accepted query arguments …

  7. Whois - Verisign

    Use Verisign’s Whois search tool to find information on domain names, TLDs, registrars and name servers.