WHOIS utility allows you to find owner of domain name or IP address. It supports HTTPS, SOCKS 4 and SOCKS 5 proxies. Command line utility that performs whois lookup for domain name or IP address.

WHOIS is a query and response protocol that is widely used for querying databases.

Usage: whois [-rev] [-norec] [-ieproxy] [-<proxy_type>=addr:port] domain [whois.server]
where <proxy_type> can be one of the following values: https, sock4, sock5
-rev - IP Reverse Lookup
-norec - don't query Registrator's Whois Server

The license of this software is Freeware, you can free download and free use this ip utility software.