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The DNS_PROBE_FINISHED_NXDOMAIN error is a common issue that internet users encounter when their browser cannot connect to the intended website. This post will explain the error, its causes, and detailed steps to resolve it across different operating systems and browsers.


Overview of DNS

Domain Name System (DNS) is what allows web addresses to be translated into IP addresses that computers use to communicate with each other.

Specifics of the Error

The "NXDOMAIN" part of the error stands for Non-Existent Domain, indicating that the DNS lookup failed because the domain name could not be resolved.

Common Causes of the Error

Misconfigured DNS Settings

Details on how incorrect DNS settings can lead to this error and what typical misconfigurations look like.

Connectivity Issues

Exploration of how network connectivity problems can falsely trigger this error.

Faulty Browser Configurations

Analysis of browser-specific issues that might result in DNS errors.

How to Diagnose the Error

Using Command Line Tools

Commands like ping and nslookup to understand if the DNS resolution is functioning correctly.

Checking DNS Servers

Steps to assess if the DNS servers currently in use are operational and reliable.

Step-by-Step Solutions

For Windows Users

Resetting DNS Cache

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ipconfig /flushdns

Checking the Hosts File

Guidance on reviewing and editing the hosts file where necessary.

For macOS Users

Changing DNS Servers

How to switch to Google DNS or OpenDNS on a Mac.

Using Network Diagnostics

Walkthrough of macOS network diagnostics to identify and resolve issues.

For Linux Users

Editing resolv.conf

Steps to manually set DNS configurations in the resolv.conf file.

Solutions for Mobile Devices


Instructions for modifying DNS settings on Android devices.


Guidelines for changing DNS servers on an iPhone or iPad.

Advanced Troubleshooting Techniques

Network Analyzer Tools

Introduction to tools that can provide deeper insights into network issues.

Contacting Your ISP

When and how to contact your Internet Service Provider if DNS issues persist.

Preventing Future DNS Errors

Regular Updates

The importance of keeping network devices and software up to date.

Using Reliable DNS Providers

Advantages of using established and reliable DNS services.


Summarize the key points discussed and encourage readers to apply these solutions to effectively resolve and prevent DNS errors.

Richard Wilson brings over 25 years of experience in digital marketing to Clickrocket365.  His expertise in [ SEO, PPC, Web design, web development ] helps us deliver cutting-edge solutions for our clients. He is the founder and CEO of USA's most award-winning SEO Agency, ClickRocket365. It's a top SEO agency that keeps winning awards! Richard  isn't just the boss, he also helps big companies with their websites. Richard cares about businesses that want to save money. He helps them get more people to their website build a bigger audience and sell more stuff to happy customers! Want to say hi? Find Richard on Twitter: @Richard Wilson

Richard Wilson
Founder & CEO, Clickrocket365
CEO of clickrocket365


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