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You can use Whois Checker to find out information about the owner of a domain name. Many people use this database to trace spam websites. There are hundreds of other uses for the WHOIS database. You can use it for free unlimited times to find out information about a domain name.
Whois Checkers are useful when purchasing domain names. You can learn more about the owner and what the domain is available for. You can also find out if it is registered with an accredited registrar.