What Should Be the Alternate DNS Server?


Angela Bailey

What Should Be the Alternate DNS Server?

When it comes to setting up a DNS server, it is essential to have both a primary and an alternate DNS server. The primary DNS server is responsible for resolving domain names into IP addresses and handling all DNS queries. However, in case the primary server becomes unavailable or experiences issues, having an alternate DNS server ensures that your network remains functional and can still resolve domain names.

The Importance of an Alternate DNS Server

An alternate DNS server acts as a backup for the primary server. It steps in when the primary server fails, providing uninterrupted access to the internet for users on your network. Without an alternate DNS server, your network could experience downtime, rendering websites and online services inaccessible.

Selecting an Alternate DNS Server

Choosing the right alternate DNS server is crucial to ensure reliable and efficient performance. Here are some factors to consider:

  • Redundancy: The alternate DNS server should be hosted in a different geographical location than the primary server. This ensures that if one location experiences a power outage or network failure, the other location can still handle DNS queries.
  • Reliability: Look for a provider that guarantees high uptime and has redundant infrastructure in place.

    This ensures that even if there is a hardware failure or maintenance work on one of their servers, your network will not be affected.

  • Performance: Consider the speed and responsiveness of the alternate DNS server. A fast and efficient server will help reduce latency and provide smooth browsing experiences for users on your network.

Configuring Your Alternate DNS Server

To configure your alternate DNS server, you need to modify your network settings. Here’s a step-by-step guide:

  1. Identify the IP Address: Contact your network administrator or DNS provider to obtain the IP address of the alternate DNS server.
  2. Access Network Settings: On your computer, go to the Control Panel or System Preferences, depending on your operating system. Look for the Network or Internet settings.
  3. Change DNS Server: Find the option to change DNS server settings.

    Usually, it is found under TCP/IP settings or network connections.

  4. Add Alternate DNS Server: Enter the IP address of the alternate DNS server in the provided field. Save your changes.
  5. Test Connection: To ensure that the alternate DNS server is working correctly, open a web browser and try accessing different websites. If everything loads properly, you have successfully configured your alternate DNS server.


In conclusion, having an alternate DNS server is essential for maintaining uninterrupted internet access and ensuring consistent performance. By selecting a reliable and efficient alternate DNS server and correctly configuring it in your network settings, you can mitigate any potential downtime caused by primary server failures. Remember to periodically review and update your alternate DNS server to ensure optimal performance for your network.

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