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Rate this topic  Introduction to the Domain Name System
Although TCP/IP uses IP addresses to locate and connect to hosts
(computers and other TCP/IP network devices), users typically
prefer to use friendly names. For example, users prefer the
friendly name ftp.reskit.com, instead of its IP address, The
Domain Name System (DNS), defined in RFCs 1034 and 1035, is used
on the Internet to provide a standard naming convention for
locating IP-based computers.  On the Internet, before the
implementation of DNS, the use of names to locate resources on
TCP/IP networks was supported by a file called Hosts. Network
administrators entered names and IP addresses into Hosts, and
computers used the file for name resolution.  Both the Hosts
file and DNS use a namespace. A namespace is a grouping in which
names can be used to symbolically represent another type of
information, such as an IP address, and in which specific rules
are established that determine how na