What is DNS?

Domain Name System (DNS) is an internet system that relates domain names into IP addresses.

For a more thourough explination and exaples of DNS see the article, DNS Basics.

What does that mean?

DNS can be considered something similar to a phone book. When you move from one location to another, your name stays the same, but your phone number may change. In order to point your name to the new phone number, you must contact the telephone service provider, so they can assign you the new phone number and update all directory information to reflect you as pointing to this new phone number.

How does DNS relate?

When someone calls http://www.example.com/, your ISP looks at the DNS server, and asks,

“How do I contact example.com?”

The DNS server responds:

“It can be found at″.

As the Internet understands it, this can be considered the phone number for the server, which houses the http://www.example.com web site content.

The DNS records for your domains are kept on a name server in a place called a DNS zone. When you register a domain by means of the control panel, all DNS records are automatically created for you. In some cases you may need to setup custom records to your DNS zone. An example would be when you want all email to be processed by an external mail server rather than by the built-in mail system. This can be done at the DNS zone location, and you can find further information on individual records for more information on updating those.

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