The name of a computer on the Internet The hostname represents the IP address for the computer
The name assigned to a particular computer When combined with the domain name, this forms the fully qualified domain name (which itself is often referred to as the domain name)
the portion of a computers Internet domain name that comes before the first period; an unqualified hostname
The unique name by which a computer is known on a network, used to identify it when sending and receiving e-mail, Usenet news, or other forms of electronic information interchange such as Web hosting
The name used to identify a particular instance of machine, and used to distinguish it from all other hosts in the world Usually maps to one or more Internet addresses, and a host may have additional hostnames
(Or "sitename") The unique name by which a computer is known on a network, used to identify it in electronic mail, Usenet news, or other forms of electronic information interchange On the Internet the hostname is an ASCII string, e g "foldoc doc ic ac uk" which, consists of a local part (foldoc) and a domain name (doc ic ac uk)