Why Is My DNS Server Not Connecting?


Heather Bennett

Why Is My DNS Server Not Connecting?

If you are experiencing issues with your DNS server not connecting, it can be frustrating and disrupt your online activities. Understanding the reasons behind this problem can help you troubleshoot and resolve the issue more effectively. In this article, we will explore some common causes of DNS server connection problems and provide troubleshooting tips to fix them.

1. Incorrect DNS Settings

One of the most common reasons for a DNS server not connecting is incorrect DNS settings. Your computer or device uses DNS (Domain Name System) to translate domain names into IP addresses. If the DNS settings are incorrect, your device will struggle to connect to the appropriate servers.

To check and modify your DNS settings:

  • Windows: Go to Control Panel > Network and Internet > Network and Sharing Center. Click on “Change adapter settings,” right-click on your active network connection, select “Properties,” double-click on “Internet Protocol Version 4 (TCP/IPv4),” and enter the correct DNS addresses.
  • Mac OS: Go to System Preferences > Network. Select your active network connection, click on “Advanced,” go to the “DNS” tab, and enter the correct DNS addresses.

2. Unresponsive DNS Server

If you have confirmed that your DNS settings are correct, but you still cannot connect to a specific website or service, it is possible that the DNS server itself is unresponsive. This can happen due to various reasons such as maintenance or temporary outages.

To verify if the problem lies with the DNS server:

  • Try another website: Check if you can access other websites or services. If you can, the issue may be specific to the website or service you are trying to access.
  • Use a different DNS server: Change your DNS server temporarily to a public DNS server like Google DNS (8.8.8 and 8.4.4) or Cloudflare DNS (1.1.1 and 1.0.1) to see if the problem persists.

3. Firewall or Antivirus Blocking DNS

Firewalls and antivirus software play an essential role in protecting your computer from malicious activities, but they can sometimes interfere with your DNS connections.

To check if your firewall or antivirus is blocking the DNS:

  • Temporarily disable firewall/antivirus: Disable your firewall or antivirus software temporarily and try connecting to the DNS server again.
  • Add an exception: If disabling the firewall/antivirus resolves the issue, add an exception rule for your DNS server in the settings of your security software.

4. Network Connectivity Issues

In some cases, the problem may not be related to your DNS settings or servers, but rather with your network connectivity.

To troubleshoot network connectivity issues:

  • Restart modem/router: Power off and then power on your modem/router to refresh the network connection.
  • Check physical connections: Ensure all cables are securely plugged in and not damaged.
  • Contact your ISP: If you have tried everything else and still cannot connect, contact your Internet Service Provider (ISP) for further assistance.


A DNS server not connecting can be a frustrating issue, but with the right troubleshooting steps, you can resolve it and get back to smooth internet browsing. By checking and correcting your DNS settings, verifying the responsiveness of DNS servers, ensuring firewall/antivirus settings are not interfering, and troubleshooting network connectivity issues, you can overcome this problem and enjoy a seamless online experience.

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