What Is a Custom DNS Server?


Angela Bailey

What Is a Custom DNS Server?

A Domain Name System (DNS) server is responsible for translating human-readable domain names, such as example.com, into IP addresses that computers use to connect to websites. The DNS system is crucial for the functioning of the internet, allowing users to access websites and services by simply typing in a domain name instead of a long string of numbers.

While most internet users rely on default DNS servers provided by their internet service providers (ISPs), there is also an option to use custom DNS servers. Custom DNS servers offer several benefits, including enhanced security, improved performance, and more control over your internet experience.

Why Use a Custom DNS Server?

Enhanced Security:

Custom DNS servers can provide additional security features that may not be available with default ISP-provided servers. These features include filtering out malicious websites, blocking ads and trackers, and preventing phishing attacks. By using a custom DNS server with robust security features, you can protect yourself from online threats and enjoy a safer browsing experience.

Improved Performance:

Custom DNS servers are often optimized for speed and reliability. They can help reduce website loading times and improve overall internet performance. By using a custom DNS server that is closer to your location or has better infrastructure, you can enjoy faster browsing and smoother online activities.

Bypassing Restrictions:

In some cases, ISPs or governments may impose restrictions on certain websites or services. By using a custom DNS server that bypasses these restrictions, you can access blocked content without any issues. This can be particularly useful if you are traveling abroad or living in a country with strict internet censorship policies.

How to Set Up a Custom DNS Server

Setting up a custom DNS server is a relatively straightforward process. Here are the general steps:

  1. Choose a custom DNS server provider: There are several reliable and popular custom DNS server providers available, such as Google Public DNS, Cloudflare DNS, and OpenDNS. Research and choose the one that best suits your needs.
  2. Access your network settings: Depending on your operating system or device, you will need to access the network settings to make changes. This can usually be done through the Control Panel or System Preferences.
  3. Find the DNS settings: Look for the DNS settings in your network settings. It may be listed under “Network,” “Internet,” or “Connections.

  4. Add the custom DNS server addresses: Enter the IP addresses of the custom DNS servers you want to use. You may need to enter primary and secondary addresses.
  5. Save and apply changes: Once you have entered the custom DNS server addresses, save your changes and apply them. Your device will now use the custom DNS servers for all internet connections.


A custom DNS server offers various advantages over default ISP-provided servers, including enhanced security, improved performance, and bypassing restrictions. By choosing a reliable provider and following simple setup steps, you can enjoy a safer and faster internet experience.


  • Select a reputable custom DNS server provider.
  • Ensure that you enter correct IP addresses for the custom DNS servers.
  • If you encounter any issues, consult your device’s documentation or contact customer support for assistance.

By utilizing a custom DNS server, you take control of your internet experience and enjoy the benefits it offers.

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