What is DNS Domain Name Servers?
What is DNS Domain Name Servers? They are actually working like a phone book. They’re systems that responsible for translate many domain names into Internet Protocol Addresses (IP Addresses).
They were invented for the Internet worldwide in 1984. This is very necessary because computers or machines don’t understand the domain names or string, they only know IP addresses, although domain names are very easy for people to remember.
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How does DNS work? (What is DNS?)
Each IP address has 4 groups of a number divided by dots, example 192.168.0.1. And each will be classified into 5 classes A, B, C, D, E. If you open the command line and ping my site eCoupon.io, you will see the IP Address is 126.96.36.199, it is due to DNS translating.
Each Domain name services provider will operate and maintain their own DNS systems. We also have INTERNIC (Internet Network Information Center), and they will have responsibility for manage all domain names and DNS servers. Each DNS have capacities to query other DNS Servers when they have requested from another.
How to use DNS Domain Name Servers?
You should choose DNS base on your website demand. Each will have the difference update time, response time, time to live from client to server. So if your website is small, you don’t need to update frequently and immediately, however, if you have a large business website, you will need to do that.
Nowadays, many people use 3rd DNS services providers such as CloudFlare, FreeDNS, …
Some 3rd DNS services I would recommend to you below
Good luck to you,