Whois History
Get access to DomainTools' exclusive database of domain ownership records dating as far back as 1995. Uncover critical domain ownership changes and find out when the changes occurred.

Along with  Whois History , DomainTools has a number of other excellent domain research tools that can provide critical information when making a buying or selling decision. Their service is something I can’t live without.

-- Morgan Linton

Reverse IP
Discover every domain name hosted at a given IP address. Get information about a competitor's Web properties, and ensure your domains aren't hosted in a "bad neighborhood".

Hosting History
Find out if your hosting company is trustworthy.  See when a domain name changed its web host or transferred to another registrar.

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