October 24, 2020
What is a DNS Server [Updated]

What is a DNS Server? [Updated]

The full form of DNS is the Domain Name System. DNS also is known as the phonebook of the internet. DNS is very important to access any of the websites online. The help of DNS humans can easily remember the website name which they want to use for the next time.

DNS Server
DNS Server

Humans are cannot able to remember the DNS number of every website. But the DNS (Domain Name System) points the number with the websites. For example, when you type fixps5error.com the DNS of this domain is 199.188.200.229, and you can easily remember the website name but you cannot able to remember the DNS number of this website.

DNS Server

When you type any domain or website name on the browser, the browser interact with the internet protocol (IP) address. Then the DNS will translate the domain or website names into the IP address and then finally the browser will load the data of that website.

In the world there are so many devices and which devices related to the internet, they have a unique IP address. Every device has a unique physical address, it’ll help to generate a unique IP address when the device connects with the internet. The IP address will help to find the device. DNS servers eliminate the need for humans to memorize IP addresses such as 192.168.1.1 (in IPv4), or more complex newer alphanumeric IP addresses such as 2400:cb00:2048:1::c629:d7a2 (in IPv6).

How does DNS work?

DNS Works
DNS Works

The main work of DNS (Domain Name System) is converting a hostname into an IP address. For example, the hostname is www.google.com and the IP address in which DNS will convert 8.8.8.8. The IP address help to find the device location like a street address. When you want to open a website and you type the website name on the browser (fixps5error.com) but the DNS is cannot able to locate the machine-friendly address the website will not be loaded on the browser. It is necessary to locate and translate the DNS of that domain or website to an IP address and then the website will be loaded on the browser.

Types of DNS Server

There are four types of DNS server. With the help of the DNS server the webpage is load on the browser. Otherwise the website cannot open or load on the browser. You can find all the DNS server’s definition below:

DNS Recursor/ DNS Resolver

DNS resolver is provided by the ISP (Internet Service Provider). It connects to the web browser of our computer to the DNS name servers.

Root Name Server

There are 13 sets of root name servers. Logically named are letter.root-servers.net

Where letter ranges from a to m and operated by 12 different organizations. Each set has a number of servers placed around the world. The information page exists for all root name servers at address letter.root-servers.org. Where letter ranges from a to m except g. For g https://disa.mil/g-root, for more details about root server click here: root-servers.org.

Top Level Domain/ TLD name server

TLD name server stores the information of all domains, sharing a common domain extension. For example .com TLD name server stores the information of all websites ending with the .com extension. net TLD name server stores the information of all .net websites and so on.

Authoritative name server

This is the last server in the DNS (Domain Name System) Stores the websites IP addresses. Authoritative name server for a website can be found with these CMD commands:
nslookup
set query=ns
example.com (domain name)

FAQ

To translates domain names into the IP address.

If your ISP's DNS is not working properly you can change it.

If you ever run into connection issues on Wi-Fi networks, you might need to turn off the Private DNS.

No. Google Public DNS is purely a DNS resolution and caching server.

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