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


Introduction to Chrome.//Net-Internals/Dns History

Google Chrome offers a variety of internal tools to help users manage and troubleshoot their browsing experience. One of these tools is the chrome://net-internals/#dns page, which provides insights into the Domain Name System (DNS) history and settings. This article delves into how you can utilize this page to understand and manage your DNS history, enhance your network performance, and troubleshoot common issues.

Understanding DNS and Its Importance

1. What is DNS? DNS stands for Domain Name System, which is a crucial part of the internet infrastructure. It translates human-readable domain names (like into IP addresses (like that computers use to identify each other on the network.

2. Importance of DNS Efficient DNS resolution is vital for a smooth browsing experience. It ensures that when you enter a web address, your browser can quickly locate and load the desired website.

Accessing Chrome’s DNS Page

1. How to Access To access the DNS settings and history in Chrome:

  • Open your Google Chrome browser.
  • In the address bar, type chrome://net-internals/#dns and press Enter.
  • This will take you to the DNS section of Chrome’s internal network settings.

Features of chrome://net-internals/#dns

1. DNS Cache The DNS cache stores the responses to recent DNS queries. This cache helps speed up the browsing process by avoiding repeated DNS lookups for recently visited sites.

  • View Cache Entries: You can view the current DNS cache entries. This provides a list of domain names and their corresponding IP addresses that have been recently resolved.
  • Clear DNS Cache: If you are experiencing DNS-related issues, clearing the DNS cache forces Chrome to perform new DNS lookups. This can resolve problems caused by outdated or corrupt cache entries.

2. DNS Lookup Statistics This section provides detailed statistics about DNS lookups performed by Chrome, including the number of successful lookups, failures, and cache hits. Monitoring these statistics can help you understand your browsing habits and identify potential issues.

3. DNS Prefetching DNS prefetching is a feature where Chrome anticipates the domain names you might visit next and resolves them in advance. This can speed up your browsing by reducing the time needed to load web pages.

Using DNS History for Troubleshooting

1. Common DNS Issues

  • DNS_PROBE_FINISHED_NXDOMAIN: This error indicates that the DNS query failed because the domain does not exist. Clearing the DNS cache or changing DNS servers might resolve this issue.
  • DNS_PROBE_FINISHED_NO_INTERNET: This error suggests that there is no internet connection. Checking your network connection and restarting your router can help.

2. Steps to Clear DNS Cache

  • Go to chrome://net-internals/#dns.
  • Click the “Clear host cache” button to clear the DNS cache.

3. Monitoring and Diagnosing DNS Problems Regularly checking the DNS statistics and cache can help you identify and diagnose browsing issues. If you notice a high number of DNS failures, it might indicate a problem with your DNS server or network configuration.

Best Practices for Managing DNS

1. Use Reliable DNS Servers Consider using reliable and fast DNS servers. Popular options include Google Public DNS ( and and Cloudflare DNS (

2. Keep DNS Cache Updated Regularly clearing the DNS cache can help prevent issues related to outdated DNS records.

3. Monitor DNS Activity Keep an eye on the DNS lookup statistics to understand your browsing patterns and identify any unusual activity.


The chrome://net-internals/#dns page in Google Chrome is a powerful tool for managing and troubleshooting DNS settings and history. By understanding how to use this page, you can enhance your browsing experience, quickly resolve DNS-related issues, and ensure smooth and efficient internet connectivity. Whether you’re a casual user or a developer, mastering the DNS settings in Chrome can significantly benefit your online activities.

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