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How to use Anycast DNS with a web hosting account?

This article discusses using Anycast DNS with shared hosting and reseller hosting accounts.

About Anycast

Anycast is a network routing and addressing methodology that provides several advantages:

  • Improved DNS query performance.
  • Redundancy.
  • Load balancing.

By default, shared hosting and reseller hosting accounts use Anycast for DNS. You do not need to do any additional configuration steps for your account to use Anycast.

The following Anycast name servers are the defaults for shared (a2hosting.com) and reseller hosting (supercp.com) accounts:

Shared hosting
Server name IP address
ns1.a2hosting.com 162.159.25.95
ns2.a2hosting.com 162.159.24.221
ns3.a2hosting.com 162.159.25.82
ns4.a2hosting.com 162.159.24.227
Reseller hosting
Server name IP address
ns1.supercp.com 162.159.24.43
ns2.supercp.com 162.159.25.30
ns3.supercp.com 162.159.24.28
ns4.supercp.com 162.159.25.237

More Information

For more information about Anycast, please visit https://en.wikipedia.org/wiki/Anycast.


  • Setting the name servers for a domain

    If you already own a domain that you purchased from a different registrar or hosting company, you can change the domain’s name server settings to point to A2 Hosting. Learn how here.

  • Configuring custom name servers

    Reseller, VPS, and Flex Dedicated Server accounts can use custom nameservers. Learn how to set them up here.