Download Whois

DiamondCS Whois is a utility to retrieve information about registered domains, including information such as ownership and business information, when the domain was registered, and sometimes even addresses, phone numbers, and so on.
This utility includes automatic server selection by default, optional custom server selection, and automatic Whois server redirection, so all you need to do is give it the domain name you want information about, and let it do the rest
Whois supports IP address queries and automatically selects the appropriate whois server for IP addresses. This tool will lookup information on a domain, IP address, or a domain registration information. Version 2.7.1 update Whois client.