The whois utility is a unix or dos utility which tells you useful information about a particular domain. It is used to check if a domain is available. If a domain is already in use by someone, it will provide information when the domain was registered, when it expires, who it is registered through, etc.
The reason for adding a utility for whois?
Many company firewalls block the whois protocol so it is impossible to run the whois program from within that company.
With our implementation, you can run whois unobstructed by running it through your browser.