What Is OpenVPN DNS Server?


Angela Bailey

OpenVPN DNS Server is a crucial component of an OpenVPN setup. It plays a vital role in translating domain names to their corresponding IP addresses, enabling the successful establishment of secure connections over the internet. In this article, we will explore what an OpenVPN DNS Server is and how it contributes to the overall functionality of an OpenVPN network.

Understanding DNS

DNS stands for Domain Name System. It is essentially a decentralized system that converts human-readable domain names (such as www.example.com) into machine-readable IP addresses (such as This translation process allows devices to communicate with each other using recognizable domain names instead of complex numerical IP addresses.

What is an OpenVPN DNS Server?

In the context of OpenVPN, a DNS server refers to a server responsible for resolving domain names requested by VPN clients connected to an OpenVPN network. It ensures that when a user tries to access a website or any other online resource using its domain name, the correct IP address is obtained and used for establishing the connection.

The Importance of Using an OpenVPN DNS Server

Using an OpenVPN DNS Server provides several advantages:

  • Privacy: By using an OpenVPN DNS Server, you can prevent your internet service provider (ISP) from tracking your online activities. Since all your DNS queries are encrypted within the VPN tunnel, your ISP won’t be able to see which websites you are visiting.
  • Security: An OpenVPN DNS Server adds an extra layer of security by preventing DNS leaks.

    A DNS leak can occur when your computer bypasses the VPN tunnel and makes direct DNS queries to your ISP’s servers, potentially exposing your browsing history.

  • Faster Access: Some public DNS servers may have slower response times, leading to delays in accessing websites. By using an OpenVPN DNS Server, you can choose a faster DNS resolver that suits your needs, improving the overall browsing experience.

Configuring an OpenVPN DNS Server

To configure an OpenVPN DNS Server, you typically specify the IP address of the server in your OpenVPN server configuration file. This ensures that when clients connect to the VPN network, they automatically use the specified DNS server for name resolution.

Here is an example of how you can configure an OpenVPN DNS Server using the “push” directive in the server configuration file:

push “dhcp-option DNS 10.8.1”

In this example, 10.1 represents the IP address of the OpenVPN DNS Server.


An OpenVPN DNS Server is a fundamental component of any secure and private VPN setup. It not only ensures efficient translation of domain names to IP addresses but also adds an extra layer of privacy and security by preventing DNS leaks and encrypting all DNS queries within the VPN tunnel.

By configuring and utilizing an OpenVPN DNS Server, users can enjoy a safer and more private browsing experience while maintaining control over their online activities.

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