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What is DNS and why is that important on the Internet?

April 26, 2017DNS internet

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What is DNS and why is that important on the Internet?

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DNS = domain name server/service. It’s a computer running a program that translates a domain name, like www.gamefaqs.com, into an IP address like 129.250.245.234 Computers on the Internet talks in TCP/IP protocol, and each computer has an IP address. DNS assigns “domain names” to those IP addresses. Instead of entering an URL in gobblygook of numbers, you can enter a domain name that is much easier to remember. DNS will translate that name into the gobblygook IP address for you. There are THOUSANDS of DNS servers out there. Every network probably has one. Each Internet Service Provider (ISP) would have several. If your local DNS server don’t know the answer, it’ll forward the request to the next higher up, and up, until it finds an answer or comes back “no such entry”. Without DNS, you will be forced to enter IP addresses only. There will be no more of these easy-to-remember domain names.