Hiii,
Know Details about the web site that u surfed(like Owner, their address, contact no, location, location of server..): from here:

http://www.whois.net/
http://whois.domaintools.com/
http://www.aboutus.org

.
.
http://www.register.com

If u know any other link...do share with us....
So Happy Surfing !!!