The error message DNS_PROBE_FINISHED_NXDOMAIN is an indication that your browser was unable to find the IP address corresponding to the domain name you entered. In simple terms, the DNS (Domain Name System) lookup failed, and the domain name does not exist (NXDOMAIN stands for Non-Existent Domain).
When you type a URL into your browser, the DNS is responsible for translating that human-readable domain name into an IP address that computers can understand. If the DNS fails to do this, you will see the DNS_PROBE_FINISHED_NXDOMAIN error.
DNS_PROBE_FINISHED_NXDOMAIN Common Causes
Incorrect URL: A typo or error in the URL.
DNS Server Issues: Problems with the DNS server configured on your device or network.
Network Configuration Problems: Incorrect network settings on your device.
Router Issues: Issues with your router’s DNS settings.
Firewall or Security Software: Security software blocking DNS requests.
How to Fix DNS_PROBE_FINISHED_NXDOMAIN
1. Check the URL
Ensure that the URL you entered is correct. A simple typo can result in the DNS_PROBE_FINISHED_NXDOMAIN error.
2. Clear Browser Cache
Sometimes cached data can cause DNS issues. Clearing your browser’s cache can resolve the problem.
Google Chrome: Go to Settings > Privacy and security > Clear browsing data. Select Cached images and files and click Clear data.
Firefox: Go to Options > Privacy & Security > Cookies and Site Data > Clear Data.
Safari: Go to Preferences > Advanced > Show Develop menu in menu bar. Then, go to Develop > Empty Caches.
3. Restart Your Device
Restarting your computer, smartphone, or router can resolve temporary network or DNS issues.
4. Flush DNS Cache
Flushing your DNS cache can remove outdated or corrupted DNS records.
Windows:
Press Win + R, type cmd, and press Enter.
Type ipconfig /flushdns and press Enter.
macOS:
Open Terminal.
Type sudo killall -HUP mDNSResponder and press Enter.
Linux:
Open Terminal.
Type sudo systemd-resolve --flush-caches and press Enter.
5. Change DNS Servers
Changing your DNS servers to a more reliable option can help resolve DNS issues.
Google DNS: 8.8.8.8 and 8.8.4.4
Cloudflare DNS: 1.1.1.1 and 1.0.0.1
OpenDNS: 208.67.222.222 and 208.67.220.220
Windows:
Go to Control Panel > Network and Internet > Network and Sharing Center.
Click Change adapter settings.
Right-click your network connection and select Properties.
Select Internet Protocol Version 4 (TCP/IPv4) and click Properties.
Select Use the following DNS server addresses and enter the preferred and alternate DNS servers.
macOS:
Go to System Preferences > Network.
Select your network connection and click Advanced.
Go to the DNS tab.
Click the + button to add new DNS servers.
6. Disable Antivirus and Firewall
Temporarily disable your antivirus and firewall software to check if they are causing the issue. If the error goes away, you may need to adjust your security settings or switch to different software.
7. Release and Renew IP Address
Releasing and renewing your IP address can resolve network configuration issues.
Windows:
Press Win + R, type cmd, and press Enter.
Type ipconfig /release and press Enter.
Type ipconfig /renew and press Enter.
macOS:
Go to System Preferences > Network.
Select your network connection and click Advanced.
Go to the TCP/IP tab and click Renew DHCP Lease.
8. Restart DNS Client Service (Windows)
Restarting the DNS Client service can fix DNS issues.
Press Win + R, type services.msc, and press Enter.
Find DNS Client, right-click, and select Restart.
9. Check Local Hosts File
Ensure that the domain is not blocked in your local hosts file.
Windows:
Go to C:\Windows\System32\drivers\etc.
Open the hosts file with a text editor.
Look for entries related to the domain and remove them if necessary.
macOS/Linux:
Open Terminal.
Type sudo nano /etc/hosts.
Look for entries related to the domain and remove them if necessary.
Conclusion
The DNS_PROBE_FINISHED_NXDOMAIN error can be frustrating, but it is usually fixable with a few troubleshooting steps. By ensuring the URL is correct, clearing your cache, restarting your device, flushing the DNS cache, changing DNS servers, and checking your network settings, you can resolve most instances of this error and get back to browsing the web without issues.
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