Domain type The type of organization that operates the host system. A subcomponent of the FQDN that gets lots of attention is the domain type. There six principal domain types used in the United States, set forth below. A commercial site called bgi. The organization National Public Radio.
Domain names can vary in length and have several subcomponents.
Consider the FQDN wpgate1.wpafb.af.mil. So, a single name domain can mask an extensive internal collection of hosts and networks. With tiny sites such as these, the host name is normally the same as the site name and is usually implied but unwritten. Since the redundancy appears silly, and since there is but a single host system at that site, the FQDN redundancy is eliminated and the host system name is not displayed. But, if a person were in the habit of only using IP addressing instead of FQDN addressing, he would find himself suddenly unable to contact the site even though it still existed under its current FQDN name because of the IP name change.