Use WhoIs lookup anytime you want to perform a search to see who owns a domain name, how many pages from a site are listed with Google or even search WhoIs address listings for a website's owner.
The word act, as used in the term Act of Congress, is a common, not a proper noun. The capitalization of the word act is deprecated by some dictionaries and usage authorities. Some writers, in particular the U.S. Code, capitalize Act.
Capitalization is a process that can benefit businesses by applying certain costs against revenues regarding inventory. The Internal Revenue Service publishes rules governing how a company may use capitalization. Businesses, however, may sometimes try to operate outside of those rules in order to appear more profitable on paper.