What Is the DNS Server in IP Settings?


Scott Campbell

The DNS server is a crucial component in the world of IP settings. It plays a vital role in translating domain names into their respective IP addresses, allowing us to access websites easily. Understanding how the DNS server works is essential for anyone interested in networking or web development.

What is DNS?

DNS stands for Domain Name System. It is a decentralized naming system that maps domain names to their corresponding IP addresses.

Every device connected to the internet has an IP address, which serves as its unique identifier. However, remembering IP addresses for all the websites we visit would be cumbersome and impractical.

This is where DNS comes into play. Instead of typing an IP address into our browsers, we can simply enter a domain name like “example.com.” The DNS server then translates this domain name into an IP address, allowing our devices to connect to the correct server on the internet.

How Does DNS Work?

The process of DNS resolution involves several steps:

  1. Query: When we enter a domain name in our browser, it sends a query to the configured DNS server.
  2. Recursive Query: If the configured DNS server doesn’t have the answer, it will recursively query other servers until it finds the desired information.
  3. Response: Once the DNS server obtains the IP address associated with the domain name, it sends back a response containing this information.
  4. Caching: To optimize future queries, DNS servers often cache responses for a certain period of time. This helps reduce network traffic and speeds up subsequent queries for frequently accessed sites.

Configuring DNS Servers

In most cases, our devices are configured to use the DNS server provided by our internet service providers (ISPs). However, we can also manually configure DNS settings to use alternative DNS servers such as Google Public DNS or Cloudflare DNS.

To configure DNS settings on different devices:


  1. Open the Control Panel and navigate to Network and Internet.
  2. Click on Network and Sharing Center.
  3. Select Change adapter settings from the left sidebar.
  4. Right-click on your active network connection and choose Properties.
  5. Select Internet Protocol Version 4 (TCP/IPv4) and click on Properties.
  6. In the General tab, select “Use the following DNS server addresses” and enter the desired DNS server addresses.


  1. Open System Preferences and click on Network.
  2. Select your active network connection from the left sidebar (Wi-Fi, Ethernet, etc.).
  3. Click on the Advanced button in the bottom right corner.
  4. Navigate to the DNS tab.
  5. Add or remove DNS servers by clicking on the +/- buttons. Drag them into order of preference if needed.


  1. Go to Settings and tap on Wi-Fi or Network & Internet (depending on device).
  2. Select your Wi-Fi network or active connection.
  3. Tap on Edit or Modify network config (varies by device).

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