What Should Be DNS Server IP?


Larry Thompson

When it comes to setting up a DNS server, one of the most important decisions you’ll need to make is determining the IP address for your server. The DNS server IP address serves as a unique identifier that allows devices on the internet to locate and connect to your server.

What is a DNS Server?

Before we dive into choosing the right IP address for your DNS server, let’s quickly recap what a DNS server does. DNS stands for Domain Name System, and it acts as a directory for the internet. When you type a website address into your browser, the DNS server translates that human-readable domain name into an IP address that computers can understand.

A DNS server essentially acts as an interpreter between humans and computers, allowing us to access websites using familiar domain names instead of hard-to-remember IP addresses.

Private vs. Public DNS Servers

When it comes to choosing an IP address for your DNS server, you’ll need to consider whether you want it to be private or public.

  • Private DNS Server: A private DNS server is used within a closed network, such as a home or corporate network. This type of DNS server helps devices within the network communicate with each other and access local resources.
  • Public DNS Server: A public DNS server, on the other hand, is accessible from anywhere on the internet.

    These servers are typically operated by internet service providers (ISPs) or third-party organizations like Google or Cloudflare. Public DNS servers help resolve domain names for devices outside of your local network.

Choosing the Right IP Address

The specific IP address you choose for your DNS server will depend on whether it’s private or public:

Private DNS Server IP Address

For a private DNS server, it’s common to use a non-routable IP address from the reserved range of IP addresses defined in RFC 1918. These ranges are:

  • 10.0.0 to 10.255.255
  • 172.16.0 to 172.31.255
  • 192.168.0 to 192.255

You can choose any available IP address within these ranges for your private DNS server.

Public DNS Server IP Address

If you’re setting up a public DNS server, you’ll need to obtain a unique public IP address from your internet service provider or hosting provider.

It’s important to note that operating a public DNS server requires careful consideration of security and performance measures, as it will be exposed to the entire internet.


In summary, choosing the right IP address for your DNS server depends on whether it will be private or public.

If you’re setting up a private DNS server, choose an available non-routable IP address from one of the reserved ranges defined in RFC 1918.

For a public DNS server, obtain a unique public IP address from your internet service provider or hosting provider, while ensuring you implement proper security measures.

By carefully considering your needs and following best practices, you can ensure that your DNS server operates smoothly and efficiently.

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