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About this Add-on
Domaintools.com's whois service maybe is the best whois resource on the net. This small Firefox extension just adds button to your browser for easy access to current opened site's whois source. I hope you to enjoy this extension.
Update: Version 1.4 is Out. Firefox 2.0 compatibility + opening results in new tab. Thanks Online Saratoga for new tab. The new version is being reviewed by reviewers. Until approval you can update it at http://www.beysim.net/dtwhois/