Most of us would find it considerably difficult to remember hundreds
of strings of numbers of all the sites we visit. So, for humans,
the address is in letters (the URL). The domain name is the root
identifier of a Web site on the Internet.
When you want to contact a location on the Internet—say a Web
site—you’d type in an address like www.yahoo.com. IP uses (a) the
Internet address information and (b) the Domain Name System to
understand and deliver your mail or request from one computer to
another: the letters www.yahoo.com are translated into an IP address,
which is, in this case, 87.248.113.14. In fact, if you typed in
http://87.248.113.14, your screen would show you the Yahoo! site, and
you would make the job a microsecond faster and a trifle easier for
the computers. This translation is accomplished by the DNS server.
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