What
is DNS ?
(1)
Short for Domain Name System (or Service or Server), an
Internet service that translates domain names into IP
addresses. Because domain names are alphabetic, they're
easier to remember. The Internet however, is really based
on IP addresses. Every time you use a domain name, therefore,
a DNS service must translate the name into the corresponding
IP address. For example, the domain name www.example.com
might translate to 198.105.232.4.
The DNS system is, in fact, its own network. If one DNS
server doesn't know how to translate a particular domain
name, it asks another one, and so on, until the correct
IP address is returned.
(2)
Short for digital nervous system, a term coined by Bill
Gates to describe a network of personal computers that
make it easier to obtain and understand information
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