DNS or Domain Name System is a system that allows users to connect to the website by matching a human-readable domain name such as www.cloudeka.id to a machine-readable IP address such as 192.2.199. In short, the function of DNS is to translate domain names to IP addresses.
What is DNS and Its Function?
DNS can also be referred to as an Internet phone book, where one of its functions is to list domain names with identifiers corresponding to IP addresses. So, when users enter a domain name or website such as cloudeka.id on their device, DNS will look for the IP address and associate it with the location where the site is stored.
Any device connected to the Internet, whether a smartphone, tablet, or computer, has a different IP address. An IP address contains a series of numbers that serve as an identity for each device connected to the Internet.
In this case, DNS will help humans connect to sites without remembering the IP address which contains a set of numbers, and many people can have a hard time remembering it.
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Benefits of Using DNS
After we discuss about what is DNS and its function, let us now take a look at the benefits that DNS has to offer as follows:
1. Surfing the Internet Smoothly
Can you imagine browsing the Internet without DNS? You have to memorize all the numbers of the IP address just to open a website such as Google, Facebook, Wikipedia, or any other site. You probably will require a notebook only to write down all the IP addresses for each website.
Not to mention the complex number if the website implements the new 6th version of IP or IPv6 with a domain like 4552:0db8:83a6:0000:11111:8a4e:0370:7334. However, DNS will allow you to be worried less about those numbers of IP addresses. With DNS, you can surf the Internet smoothly without having to memorize those series of numbers.
DNS server is designed to give security to the websites. The hackers will not intrude on the system because DNS will prevent them. But, if you own or manage a well-established company with tons of critical data, you will require more layers of a security system.
The IP address of a website will change for many reasons. With that being said, you can still use the same domain. Further, users will not have to find the new IP address or domain.
4. Internet Speed
One of the benefits of having DNS is the fast Internet connection. This will provide the best experience in the information searching process or opening a website.
The advantages and functions of DNS are indeed beneficial for users. However, there are some disadvantages of DNS, namely because the DNS registry is controlled by ICANN, so no other company can control it