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Hostname vs Subdomain - What's the difference?

hostname | subdomain |

In computing internet terms the difference between hostname and subdomain

is that hostname is the portion of a computer's Internet domain name that comes before the first period; an unqualified hostname while subdomain is an additional part prefaced to a domain name.

As nouns the difference between hostname and subdomain

is that hostname is the unique name by which any device attached to a network is known while subdomain is a domain or sphere that is part of a larger domain or sphere.

hostname

English

Noun

(wikipedia hostname) (en noun)
  • (computing) the unique name by which any device attached to a network is known.
  • (computing, Internet) a computer or other network device's Internet domain name; a fully qualified hostname
  • (computing, Internet) the portion of a computer's Internet domain name that comes before the first period; an unqualified hostname

    • Synonyms

    * domain name

    See also

    * domain name * Internet address * IP address * TLD * URL

    Anagrams

    *

    subdomain

    English

    Noun

    (wikipedia subdomain) (en noun)
  • A domain or sphere that is part of a larger domain or sphere.
  • * 1971 , Jacob Robert Kantor, The logic of modern science
    • As a technical subdomain of biology ecological investigations have evolved from what has been traditionally called natural history.
  • (computing, Internet) A domain name that has been prefaced with additional parts separated with periods.
  • * 1987 November, P. Mockapetris, Domain Concepts and Facilities , RFC1034, also known as STD0013
    • A domain is a subdomain' of another domain if it is contained within that domain. This relationship can be tested by seeing if the '''subdomain's''' name ends with the containing domain's name. For example, A.B.C.D is a ' subdomain of B.C.D, C.D, D, and " ".
  • * BIND 9 Administrator Reference Manual (9.3.2) , Copyright © 2004, 2005 Internet Systems Consortium, Inc. ("ISC"), Copyright © 2000-2003 Internet Software Consortium, http://www.bind9.net/manual/bind/9.3.2/Bv9ARM.ch01.html
    • Every name in the DNS tree is a domain, even if it is terminal, that is, has no subdomains'. Every '''subdomain''' is a domain and every domain except the root is also a ' subdomain .
  • (computing, Internet) An additional part prefaced to a domain name.
  • :* In en.wiktionary.org, en is a subdomain .

    • Usage notes

    The technical community that created the terminology uses the first sense of a "domain name prefaced with additional parts".

    Synonyms

    * (lower-level part ) unqualified hostname

    See also

    * second-level domain * top-level domain * hostname