Uses of DNS

Uses of DNS

30 July, 2020

Uses of DNS


The classic use of DNS is to translate the domain name in a URL into a corresponding IP address.

What is DNS Used For?

  • Resolving names of World Wide Web (WWW) sites
  • Routing messages to email servers and webmail services
  • Connecting app servers, databases and middleware within a web application
  • Virtual Private Networks (VPN)
  • Peer-to-peer sharing programs
  • Multiplayer games
  • Instant messaging and online meeting services
  • Communication between IoT devices, gateways and servers


Next-Generation Uses of DNS

DNS has evolved over the past 20 years. Next-generation DNS services such as NS1 which provide advanced traffic routing capabilities have created new uses for DNS:

  • Global server load balancing (GSLB) - fast routing of connections between globally distributed data centers
  • Multi CDN - routing users to the CDN that will provide the best experience
  • Geographical routing - identifying the physical location of each user and ensuring they are routed to the nearest possible resource
  • Data center and cloud migration - moving traffic in a controlled manner from on-premise resources to cloud resources
  • Internet traffic management - reducing network congestion and ensuring traffic flows to the appropriate resource in an optimal manner

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