Whois is a transaction-oriented query protocol which provides information about networks, domains and hosts. It contains the full name and contact details of the the person or authorized representative of the registered domain holder. Internet users can send their queries about a domain name through the Whois server.<ref>[http://tools.ietf.org/html/rfc3912 RFC 3912 Whois Protocol Specification]</ref> Registrars are required to maintain a Whois database of all the registered domain names and the contact information of the owners that are hosted in their servers. | Whois is a transaction-oriented query protocol which provides information about networks, domains and hosts. It contains the full name and contact details of the the person or authorized representative of the registered domain holder. Internet users can send their queries about a domain name through the Whois server.<ref>[http://tools.ietf.org/html/rfc3912 RFC 3912 Whois Protocol Specification]</ref> Registrars are required to maintain a Whois database of all the registered domain names and the contact information of the owners that are hosted in their servers. |