What Happens if I Delete a DNS Server?


Heather Bennett

What Happens if I Delete a DNS Server?

When it comes to managing your website or network infrastructure, the Domain Name System (DNS) plays a crucial role in translating human-readable domain names into machine-readable IP addresses. DNS servers are responsible for storing and distributing this information across the internet.

However, what happens if you delete a DNS server? Let’s explore the potential consequences.

1. Service Disruption

If you delete a DNS server without any proper planning or backup, it can lead to significant service disruptions.

When users try to access your website or services, their requests won’t be able to resolve into IP addresses, resulting in errors like “server not found” or “site cannot be reached.” This can negatively impact your online presence and potentially lead to loss of customers or visitors.

2. Name Resolution Failure

A deleted DNS server means that any domain names associated with that server will no longer resolve correctly.

This means that users won’t be able to access websites, emails may fail to send or receive properly, and various network services may become inaccessible. It’s important to note that the impact will depend on how reliant your infrastructure is on the specific DNS server being deleted.

3. Loss of Redundancy

In larger networks or organizations with multiple DNS servers, redundancy is often implemented for increased reliability and fault tolerance.

Deleting one of these redundant servers can compromise this redundancy and make the network more vulnerable to failures. It’s crucial to ensure that appropriate measures are taken before deleting a DNS server, such as redistributing its workload among other servers.

4. Impact on Local Network

If you are hosting local services within your network using private IP addresses, deleting a DNS server can disrupt internal name resolution as well.

This can result in communication issues among devices, making it difficult for users to access shared resources or services within the local network. It’s important to consider the impact on both external and internal name resolution before deleting a DNS server.

5. Configuration and Management Challenges

Deleting a DNS server may also introduce configuration and management challenges.

If the deleted server was responsible for specific tasks or had unique configurations, you might need to redistribute those responsibilities or reconfigure other servers accordingly. This can be time-consuming and requires careful planning to avoid any disruptions or misconfigurations.


In summary, deleting a DNS server without proper planning and precautions can have significant consequences for your website, network infrastructure, and overall online presence. It can lead to service disruptions, name resolution failures, loss of redundancy, disruptions in local network communication, as well as configuration and management challenges. Therefore, it’s crucial to assess the impact and take appropriate steps before deleting a DNS server to minimize any potential negative effects.

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