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What is DNS (Domain Name System) | Cyberops

What is DNS (Domain Name System)

By Chandan Singh 1 Comment August 30, 2016

what is DNS

What is Domain Name System

The Domain Name System (DNS) is a hierarchical allocate naming system for computer, services or any source link online or a private network. It affiliates various information with domain name assign to each of the participating organizations. Most prominently, it converts easily memorized domain titles to the numerical IP addresses required for the goal of locating computer services and devices worldwide.

In simple conditions DNS is similar to a contact book for the internet. If you know a person’s name but don’t know their contact number, you can simply look it up in a contact book. DNS provides this same service to the web. When you visit in a browser, your system uses Domain name system to get the website’s IP address. Without DNS, you would only be able to visit our website (or any website) by visiting the Internet protocol(IP) address directly, such as

Although converting host names to IP addresses doesn’t happen by magic. It requires some form of translation to make it happen, and the mechanism that permits that translation is the Domain Name System, or DNS.

As the quantity of nodes on the network continued to increase, by using a relatively static textual content file to provide mapping quickly became impractical. DNS system was developed in the mid-1980’s to provide a dynamic means of updating and resolving host names to their IP addresses.

The DNS name contains 7 suffixes, which are the following

Suffix Purpose Example
com Commercial organizations
gov Government organization
edu Educational organization
mil Military organization
net Networking organization
org Non-commercial organization
int International organization

You will find other domain suffixes as well, including national domain names including the .in domain, which can be used for government, local, and educational entities in India. Other countries have their own domains, such as .uk for the USA, .jp for Japan and so on.


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