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In a dicussion with an organization owning the "foo" trademark I'd like to look for all domains containing foo in their name or at least domains starting with "foo". How could I do such a whois search?

Wolfgang Fahl
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2 Answers2

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The best search engine I know of for this kind of search is the one provided by N@me Droppers. Type your trademark in the search bar and use the pull down to select "Only Registered Domains".

To test it, I put in "superuser" (in .com only) and it found superuser.com, androidsuperuser.com, asciisuperuser.com, asksuperuser,com, beasuperuser.com, superuserfilter.com, and so on.

David Schwartz
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Old question but still relevant. So 2 main ways:

  1. From a unix command line to query the Verisign com/net records:

    whois keyword* or whois -h whois.internic.net keyword*

Depending on the default settings of your whois program (check with 'man whois').

Note the (optional) wildcard. This will return max 50 records , priority: -,0-9,a-z

  1. From a web interface to the Internic WHOIS:

Wildcard Whois web app

Verisign wildcard lookups are also provided at: whois.crsnic.net whois.verisign-grs.net (com.whois-servers.net)

This covers .com / .net / .edu only. I do not know of similar tools for any other TLDs.

Note: normal WHOIS servers do not support wildcards.

Paul Walsh
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