Domain Name System - a system
of mapping names to IP
addresses. Because domain
names are alphabetic, they're
easier for humans to remember.
The Internet, however, is really
based on IP addresses. Every
time you use a domain name,
DNS translates the name into the
corresponding IP address. It is
similar to a phonebook for the
Internet.
DNS means Domain Name System which helps to transfer ip address to domain name and domain name to ip addresses.It plays vital role in internet technology.For example,if you provide domain name like Google.com it convert the domain name into particular ip address.If you provide the ip address like 74.125.239.9 the DNS search for the particular website and display on your browser.DNS consist of many resource records.Some of them are A record,CNAME record,DNAME record etc., You can check domain to ip ,Ip to domain and DNS query using the site www.whoisxy.com
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