Domain Tools has been tracking the whois history of millions of domains since 2000. Domain History gives you access to their massive database of historical whois records for no price at all.
Trademark and Copyright disputes can be resolved by viewing whois history to see who owned the domain at the time of the infringement. Domain transfers can be seen in detail to see who the previous owners of that domain were. Phishing and Fraud sites can be shut down by contacting previous owners or viewing contact information before it was privatized. All this things can’t be well prevented by tracking the whois history’s that this site offers. Search for any domain at the whois search engine. 
