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Why DNS is important?

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I wrote this to give a basic idea on DNS and how it works. Let's start from the bottom. What is DNS? Did you know, every time when you search for a website on the internet, you are searching on the largest distributed database in the world? This is called DNS :) People do locate the web name and computers use to identify the websites by the IP address. Therefore DNS is used to map each IP address with the web address.   Why it is important? Assume if DNS is not here, Then you can’t visit the blog using the name blingtechs.blogspot.com  :) The only way you can visit us is calling the IP address directly. Type HTTP://<The IP address>. By entering the IP address, you can bypass the DNS lookup. But you need to keep in mind that, an IP address can be changed regularly and each domain name can have multiple IP addresses. When you are looking for a website on the internet, the domain name you are trying to access is checked on a DNS server by your computer. Th