'''Whois''' is a TCP-based query/response protocol which is widely used for querying a database in order to determine the owner of a domain name, an IP address, or an autonomous system number on the Internet. <ref>[http://www.techterms.com/definition/whois Whois definition]</ref> | '''Whois''' is a TCP-based query/response protocol which is widely used for querying a database in order to determine the owner of a domain name, an IP address, or an autonomous system number on the Internet. <ref>[http://www.techterms.com/definition/whois Whois definition]</ref> |