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Answer by: George
Kaloyanov, Aplus.Net Knowledge Base Support
The Domain Naming
System is a hierarchical method of naming computers on the Internet.
A DNS server maintains a database of host names and IP addresses.
Therefore, when a query is sent to a DNS server, it will resolve
with an alpha character host name instead of a numerical address.
This alpha character name is what you see in the address bar of your
browser.
Example: If the domain
name foo.com is hosted on a server with an IP address 10.0.23.23
then it is the Domain Name Server that resolves foo.com to that IP
address.
The DNS server is
also responsible for, or assists in distribution of, domain name
zone file information, translating your domain name into an IP Address
and specifying the mail server(s) responsible for email distribution
to your domain name.
Note:
Registered domain names should reference at least two name servers:
a primary name server and a secondary name server. The latter is
used if the former is inaccessible for any reason.
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