Is there a way to find out who the owner of a web domain is?

A web site is hosting an old copy of my web files from 2 years ago. Is there someway to find out who it is that bought that domain name?

Is there a way to find out who the owner of a web domain is?

whois

Is there a way to find out who the owner of a web domain is?

yea http://www.bbb.org

or

http://www.register.com