Understanding DNS: What It Is and How It Works

March 21,

Website DNS, what is it?

Have you ever wondered how you are able to access a website by simply typing in its name in your web browser? The answer lies in something called DNS, which stands for Domain Name System.

DNS is a phonebook for the internet

In essence, DNS is like a phone book for the internet. Just like you use a phone book to find someone's phone number, your computer uses DNS to find the IP address of a website you want to visit. IP addresses are like the unique phone numbers of computers on the internet, and they are how computers communicate with each other.


DNS is important because it allows us to use human-readable domain names, like or, instead of having to remember and type in long strings of numbers. When you enter a domain name into your web browser, your computer sends a request to a DNS server asking for the corresponding IP address. The DNS server then looks up the IP address associated with that domain name and returns it to your computer, allowing your computer to connect to the website.

Without DNS, we would have to memorize the IP addresses of every website we want to visit, which would be a daunting task, to say the least. Additionally, websites could change their IP addresses frequently, making it even more challenging to keep up.

Overall, DNS is an essential part of how we use the internet, making it easy and convenient for us to access websites using familiar domain names.

I'm a UI / UX Designer living in Sheffield. I have a real passion for everything digital, movies and motorbikes.

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