Web host and domainA domain contains a group of computers that can be accessed and administered with a common set of rules. For example, a company may require all local computers to be networked within the same domain so that each computer can be seen from other computers within the domain or located from a central server. On the Internet, a domain is usually one site (e.g., www.example.com) with possible sub-sites (artists.example.com, mail.example.com, etc.) name search