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<seo title="What is Name server" metakeywords="name server, nameserver,what is name server, primary nameserver, secondary nameserver, DNS" metadescription="What is Name server" /><div align="justify">'''Domain name servers (DNS)''' translate domain names to IP addresses.

People can easily remember names like "google.com", but machines won't. All of the machines use names called '''IP addresses''' to refer to one another. For example, the machine that humans refer to as '''www.google.com''' has the IP address 209.85.148.99. 

Every time you enter a domain name into your browser, you actually use the Internet's '''domain name servers (DNS)''' to translate the human-readable domain name into the machine-readable IP address.

<center>'''''Primary and Secondary nameservers'''''</center>

'''The primary name server''' is the first server used for information about a domain as well as the location of resources associated with a domain. The information stored on both name servers (i.e. the primary and the secondary ones) is exactly the same. The primary server  controls the information while '''the secondary name server''' periodically copies it from the primary server. The way that the two interact can be explained in the following example: You want to find a book in a library and you need to ask someone where to find it. You address the nearest employee but he is very busy and cannot help you. Then you find a second employee who is not so busy and is able to direct you quickly to the location needed. The secondary name server is like a back up system to the primary name server in case the primary server is too busy or is irresponsible. '''It has become common to require at least 2 DNS'''.</div>
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