Wednesday, 28 August 2013

Differentiate between FQDN and PQDN

The difference between FQDN and PQDN
FQDN
A fully qualified domain name (FQDN) is the complete domain name for a specific computer, or host, on the Internet. The FQDN consists of two parts: the hostname and the domain name. For example, an FQDN for a hypothetical mail server might be
mymail.somecollege.edu. The hostname is my mail, and the host is located within the domainsomecollege.edu.

PQDN
If a label is not terminated by a null string, it is called a partially qualified domain name (PQDN). A PQDN starts from a node, but it does not reach the root. It is used when the name to be resolved belongs to the same site as the client. Here the resolver can supply the missing part, called suffix, to create an FQDN.

4 comments:

  1. Kindly elaborate with examples. ☺

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  2. to understand the difference between FQDN and PQDN you must be clear about difference between HOSTNAME & DOMAINNAME, the following link will help to understand the terms and concepts with examples- https://ist.mit.edu/network/ip .

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