What Is DNS Server iOS?


Larry Thompson

A DNS server, which stands for Domain Name System server, is a crucial component of the internet infrastructure. It plays a vital role in translating human-friendly domain names into machine-readable IP addresses. In the case of iOS devices, such as iPhones and iPads, DNS servers are equally important.

What Does a DNS Server Do on iOS?

On iOS devices, the DNS server is responsible for resolving domain names to their respective IP addresses. When you enter a website address into your browser or any other app that connects to the internet, your device relies on the DNS server to translate that domain name into an IP address.

Why is this important?

Well, without a properly functioning DNS server, your device wouldn’t be able to connect to websites or any other online service using domain names. It would be like trying to make a phone call without knowing the recipient’s phone number!

Configuring DNS Servers on iOS

iOS allows users to configure their preferred DNS servers manually. By default, your device uses the DNS servers provided by your internet service provider (ISP). However, you may choose alternative DNS servers for various reasons:

  • Performance: Some third-party DNS servers may offer faster response times compared to those provided by your ISP.
  • Security: Certain DNS servers provide additional security features such as blocking known malicious websites.
  • Bypassing Restrictions: In some cases, changing your DNS server can help bypass certain restrictions imposed by your ISP or government.

To configure DNS servers on iOS:

  1. Open the Settings app on your iOS device.
  2. Select Wi-Fi or Cellular, depending on your current network connection.
  3. Tap on the network you are connected to (e.g., your home Wi-Fi network).
  4. Scroll down and locate the DNS section.
  5. In the DNS section, tap on the green “+” button to add a new DNS server.
  6. Enter the IP address of your preferred DNS server. You can use multiple servers by tapping on the “+” button again.

Pro tip:

If you’re unsure which DNS servers to use, you can opt for popular options like Google DNS (8.8.8 and 8.4.4) or Cloudflare DNS (1.1.1 and 1.0.1). These servers are known for their reliability and performance.


DNS servers on iOS play a vital role in translating domain names into IP addresses, enabling smooth internet connectivity on your device. By understanding how they work and configuring alternative DNS servers if needed, you can enhance your browsing experience in terms of speed, security, and bypassing restrictions imposed by ISPs or governments.

Make sure to choose reliable DNS servers that suit your requirements!

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