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DNS – A Comprehensive Guide to Domain Name System

What is a DNS?

The Domain Name System (DNS) is a hierarchical decentralized naming system for computers, services, or other resources connected to the internet. The domain name system (DNS) is the phonebook of the internet. Humans access information online through domain names like or web browsers interact through internet protocol (IP) addresses. DNS translates domain names to IP addresses so browsers can load internet resources.

Utilization  of DNS in Academia

In academia, DNS is studied within the fields of computer networking, internet protocols, and system administration. Researchers investigate the functionality and operations of DNS, including domain name registration, resolution process, and distributed database architecture, to ensure reliable and efficient internet communication. DNS translates human-readable domain names into numeric IP addresses used by network devices to locate and communicate with each other across the internet. By mapping domain names to IP addresses, DNS enables users to access websites, send emails, and access internet services using intuitive and memorable domain names.

Academic studies on DNS also explore its security vulnerabilities, performance optimization techniques, and emerging trends such as DNS over HTTPS (DOH) and DNS-based threat intelligence to enhance privacy, security, and resilience in the global internet infrastructure.

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Frequently Asked Questions on DNS

What is DNS used for?

The Domain Name System (DNS) turns domain names into IP addresses, which browsers use to load internet pages. Every device connected to the internet has its own IP address, which is used by other devices to locate the device.

How to use DNS?

The steps are as follows-

  • Go to the Control Panel.
  • Click Network and Internet > Network and Sharing Center > Change adapter settings.
  • Select the connection for which you want to configure Google Public DNS.
  • Select the Networking tab. 
  • Click Advanced and select the DNS tab
  • Click OK.
  • Select Use the following DNS server addresses.

Is DNS a protocol?

Domain Name System (DNS) is a protocol that allows us to use human-readable names to communicate over networks rather than having to manage and memorize IP addresses.

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