These are a few tools available to help find E-mail address, organization, host, domain, phone nunmber, etc. through the Internet.
Finger retrieves information about a user registered on a host computer using an E-mail address.
Where username is the optional person's first, last, or login name and the hostname is the host to search. Search Netfind Gateway Netfind by Telnet Netfind provides a simple Internet White Pages directory search facility. Given the name of a person on the Internet and a rough description of where the person works, Netfind attempts to locate information about the person. It does so using a seed database of domains and hosts in the network. Netfind uses the Internet protocols SMTP and Finger .