DNS Server Not Responding: The Complete Guide
The “DNS server not responding” error is a common network issue that prevents users from accessing websites in the server environment. This guide will help you understand what causes this error and how to fix it effectively.
A Domain Name System (DNS) server translates domain names (e.g., www.google.com) into IP addresses that computers use to communicate. When a DNS server fails to respond, your browser cannot load websites.
Power cycle your router and modem by unplugging them for at least 30 seconds before plugging them back in. This can resolve temporary network glitches.
Test website accessibility with a different browser. If one browser works but another does not, the issue might be browser-specific.
Security software may block DNS requests. Temporarily disable them and check if the issue persists.
On Windows:
ipconfig /flushdns
On macOS:
sudo killall -HUP mDNSResponder
This clears outdated DNS data and forces your computer to retrieve fresh records.
Use a reliable public DNS, such as:
To change DNS settings on Windows:
On macOS:
On Windows:
Boot into Safe Mode to check if third-party software is interfering with DNS resolution.
Log into your router’s admin panel and verify that the DNS settings are correct. You can also reset the router to factory settings if necessary.
If none of the above solutions work, your ISP may be experiencing issues. Contact their support team for further assistance.
The “DNS server not responding” error can be frustrating, but following these troubleshooting steps can help you resolve it quickly. Whether it’s a network configuration problem, firewall interference, or an ISP issue, there is always a solution. If the problem persists, consider using an alternative DNS provider for a more reliable browsing experience.