DNS
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DNS stands for Domain Name System. This system is used to associate a domain name (e.g. www.mydomainname.com) with one or multiple IP addresses. Now, an IP (Internet Protocol) address is like a phone number to a computer. Every computer has one but just like a phone number, sometimes an IP address can be hard to remember. This is why there is DNS. Instead of having to remember, 216.226.138.60 we only have to remember www.simplehost.com. The domain registrar from whom a domain name is purchased will assign two IP addresses to that domain name. These IP addresses are the primary and secondary name servers which are responsible for propagating, on the Internet, that domain name and its associated IP address. |
