What Happens When You Remove DNS Server?


Larry Thompson

Have you ever wondered what happens when you remove a DNS server? In this article, we will explore the consequences of removing a DNS server and the impact it can have on your network.

The Role of DNS Servers

DNS, which stands for Domain Name System, is an essential part of the internet infrastructure. Its primary role is to translate human-readable domain names, such as www.example.com, into machine-readable IP addresses. This translation allows computers to communicate with each other over the internet.

Loss of Name Resolution

When you remove a DNS server from your network, one immediate consequence is the loss of name resolution. This means that computers on your network will no longer be able to translate domain names into IP addresses. As a result, accessing websites or other resources by their domain name will become impossible.

Impact on Web Browsing

If you remove a DNS server from your network, web browsing will be severely affected. Without DNS resolution, web browsers cannot establish connections to websites using their domain names. Users will have to resort to accessing websites using their IP addresses directly, which is not practical or user-friendly.

No Email Delivery

In addition to web browsing issues, removing a DNS server can also impact email delivery. Email servers rely on DNS to determine the address of the recipient’s mail server. Without proper DNS resolution, sending and receiving emails may fail or experience significant delays.

Problems with Network Services

DNS is not limited to web browsing and email delivery. Many network services rely on DNS for proper functioning.

For example, remote access services like VPNs may fail if they cannot resolve domain names into IP addresses. Similarly, services that require authentication or authorization may stop working correctly without accurate name resolution.

Difficulties in Network Administration

Removing a DNS server can also cause difficulties in network administration. DNS servers often store important information related to network resources, such as IP addresses, hostnames, and other configurations. Without a DNS server, managing and maintaining this information becomes challenging, leading to potential misconfigurations and errors.


In conclusion, removing a DNS server from your network has significant consequences. It results in the loss of name resolution, impacting web browsing, email delivery, and various network services.

Additionally, it poses challenges in network administration by making it difficult to manage essential information. Therefore, it is crucial to carefully consider the implications before removing a DNS server from your network.

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