How Do I Fix a DNS Server Problem Mac?


Larry Thompson

Are you experiencing DNS server problems on your Mac? Don’t worry, we’ve got you covered!

In this comprehensive guide, we’ll walk you through the steps to fix DNS server issues on your Mac. So, let’s dive right in!

What is a DNS Server?

A DNS (Domain Name System) server is responsible for translating human-readable domain names (like into machine-readable IP addresses (like It acts as a directory that helps your computer locate and connect to websites on the internet.

Common Symptoms of DNS Server Problems:

If you’re experiencing any of the following issues, it might indicate a problem with your DNS server:

  • Websites failing to load or taking a long time to load
  • “Server not found” or “DNS server not responding” error messages
  • Inability to access certain websites or services

How to Fix DNS Server Problems on Mac:

1. Flush DNS Cache:

If your Mac’s DNS cache becomes corrupted or outdated, it can lead to connectivity issues. To fix this, follow these steps:

  1. Open Terminal – You can find it in the Utilities folder within your Applications folder.
  2. Type the following command:
  3.     sudo killall -HUP mDNSResponder
  4. Press Enter – This command will flush the DNS cache on your Mac.

2. Change DNS Servers:

If your default DNS servers are causing problems, you can switch to alternative DNS servers such as Google DNS or OpenDNS. Here’s how:

  1. Go to System Preferences – You can access it from the Apple menu.
  2. Select the “Network” option – It should be in the top row of icons.
  3. Choose your active network connection – It could be Wi-Fi or Ethernet.
  4. Click on “Advanced” – It’s located at the bottom right corner of the window.
  5. Navigate to the “DNS” tab.
  6. Add new DNS servers by clicking on the “+” button and entering their IP addresses.
  7. Click “OK”.

3. Restart Your Router:

Sometimes, router issues can also cause DNS server problems. To rule out any router-related issues, try restarting your router:

  1. Unplug your router’s power cable.
  2. Wait for a few seconds.
  3. Plug the power cable back in.
  4. Wait for your router to reboot.

4. Contact Your Internet Service Provider (ISP):

If none of the above methods work, it’s possible that there might be an issue with your ISP’s DNS servers.

Get in touch with their customer support and explain the problem you’re facing. They should be able to assist you further.

By following these steps, you should be able to resolve DNS server problems on your Mac. Remember, a stable and reliable DNS connection is essential for smooth internet browsing. Happy troubleshooting!

Discord Server - Web Server - Private Server - DNS Server - Object-Oriented Programming - Scripting - Data Types - Data Structures

Privacy Policy