Chrome.//Net-Internals/Dns Clear: A Compressive Guide


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Introduction: Chrome.//Net-Internals/Dns Clear

Google Chrome provides a powerful internal tool, chrome://net-internals/dns, which allows users to manage DNS (Domain Name System) cache and entries directly within the browser. Clearing DNS cache can resolve issues related to stale DNS records or incorrect IP address resolutions. This guide outlines step-by-step instructions on how to clear DNS cache and entries using chrome://net-internals/dns, ensuring smooth and efficient browsing experience.

Understanding DNS Cache in Google Chrome

DNS cache in Chrome stores recently resolved domain names and their corresponding IP addresses. This caching mechanism speeds up subsequent visits to the same websites by avoiding the need for repeated DNS lookups.

Steps to Clear DNS Cache and Entries

1. Access chrome://net-internals/dns

  • Open Chrome: Launch Google Chrome on your computer.
  • Enter URL: Type chrome://net-internals/dns into the address bar and press Enter.

2. Clear DNS Cache

  • Navigate to DNS section: Once on the chrome://net-internals/dns page, locate the “Clear host cache” button.
  • Click to Clear: Click on the “Clear host cache” button to purge all cached DNS entries from Chrome.

3. Verify Cache Clearing

  • Confirm Action: After clearing the cache, verify by checking the DNS cache entries listed on the same page.
  • Ensure Refresh: Refresh the page or revisit websites to ensure new DNS resolutions are performed correctly.

Benefits of Clearing DNS Cache

  • Resolve DNS Issues: Clearing DNS cache can fix problems related to outdated or incorrect DNS records.
  • Improve Browsing Performance: By refreshing DNS cache, Chrome can fetch the latest IP addresses of websites, enhancing browsing speed and reliability.

Considerations and Tips

  • Frequency: Clear DNS cache periodically, especially if experiencing browsing issues or after making network configuration changes.
  • Advanced Settings: Chrome://net-internals/dns is an advanced tool primarily for troubleshooting. Use caution and avoid altering settings if unsure of the impact.

Alternative Methods

If chrome://net-internals/dns is inaccessible or too complex, alternative methods to clear DNS cache in Chrome include:

  • Command Prompt: Use command-line commands like ipconfig /flushdns on Windows or sudo killall -HUP mDNSResponder on macOS/Linux.
  • Browser Settings: Clear browsing data in Chrome settings, including DNS cache, cookies, and cached files.


Clearing DNS cache using chrome://net-internals/dns is an effective method to resolve DNS-related issues and optimize browsing performance in Google Chrome. By following these steps, users can ensure smooth, efficient internet connectivity and address DNS cache inconsistencies promptly.

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