What Is the IP Address of DNS Server?


Angela Bailey

The IP address of a DNS server is a fundamental piece of information for anyone working with networking or internet-related technologies. Understanding what an IP address is and how it relates to DNS servers is crucial for troubleshooting, configuring network devices, or setting up services that rely on the Domain Name System (DNS).

What is an IP Address?

An IP address, short for Internet Protocol address, is a unique numerical identifier assigned to each device connected to a computer network. It serves as the device’s location indicator, allowing data packets to be correctly routed between different devices on the network. Think of it as a phone number for your computer or any other device that connects to the internet.

In IPv4 (Internet Protocol version 4), which is still widely used today, an IP address consists of four sets of numbers separated by periods (e.g., Each set can range from 0 to 255, giving a total of approximately 4 billion possible addresses.

With the increasing number of devices connected to the internet, IPv6 (Internet Protocol version 6) was introduced to provide a much larger pool of available addresses. IPv6 addresses are represented as eight sets of four hexadecimal digits separated by colons (e., 2001:0db8:85a3:0000:0000:8a2e:0370:7334). This format allows for an enormous number of unique addresses.

What is DNS?

The Domain Name System (DNS) is like a phone book for the internet. It’s responsible for translating human-readable domain names (such as example.com) into machine-readable IP addresses that computers can understand.

When you enter a domain name in your web browser’s address bar or click on a link, your computer queries a DNS server to obtain the associated IP address. This process is called DNS resolution, and it happens behind the scenes in a matter of milliseconds.

The Role of DNS Servers

DNS servers play a critical role in maintaining the functionality and performance of the DNS system. They store databases containing mappings between domain names and IP addresses, allowing quick lookups for any given domain name.

There are different types of DNS servers, including authoritative DNS servers, recursive DNS servers, and caching DNS servers. Authoritative DNS servers hold the official records for specific domain names, while recursive DNS servers perform the task of querying other DNS servers to find the correct IP address for a given domain name.

Caching DNS servers store previously resolved domain name-to-IP address mappings temporarily. This caching mechanism helps improve overall internet performance by reducing the time required for subsequent lookups.

Finding the IP Address of a DNS Server

To find out the IP address of a specific DNS server, you can use various methods depending on your operating system or network configuration:

  • Windows: Open Command Prompt and type ipconfig /all. Look for the “DNS Servers” field under your network adapter configuration.
  • macOS: Open Terminal and enter scutil --dns.

    The IP addresses of your configured DNS servers will be listed under “nameserver”.

  • Linux: Open Terminal and check the contents of /etc/resolv.conf. The IP addresses will be listed next to “nameserver”.
  • Routers: Access your router’s web interface by typing its IP address into a web browser. Look for the DNS server settings, which may vary depending on your router’s manufacturer and firmware.

It’s worth noting that some DNS servers, such as public DNS services like Google Public DNS (8.8.8 and 8.4.4) or Cloudflare DNS (1.1.1 and 1.1), have well-known IP addresses that can be used as alternatives to your default DNS server.


The IP address of a DNS server is vital for establishing connections on the internet and resolving domain names into their corresponding IP addresses. Understanding how IP addresses work in conjunction with the Domain Name System (DNS) is essential for anyone working with networking technologies or troubleshooting network-related issues.

By knowing how to find the IP address of a DNS server, you can configure network devices, diagnose connectivity problems, or change your DNS settings to use alternative servers for improved performance or security.

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