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What is my DNS cmd?

Published in DNS Command 2 mins read

The command to manage your DNS settings via the command line is ipconfig. Here's how you can use it, as shown in the provided reference:

Understanding ipconfig for DNS Management

The ipconfig command is a powerful tool for network configuration in Windows. It allows you to view and manipulate your DNS settings directly from the command prompt. Here's a breakdown of the relevant ipconfig commands:

1. Viewing Your Current DNS Settings

To display your currently cached DNS entries, use the following command:

   ipconfig /displaydns
  • This command shows all DNS records currently stored in your DNS cache.
  • These entries are used to speed up browsing by storing recently resolved website addresses.

2. Clearing Your DNS Cache

If you're experiencing issues with websites not loading correctly, clearing your DNS cache might help. Use the following command to do this:

   ipconfig /flushdns
*   This command deletes all entries in your DNS cache.
*   The next time you visit a website, your system will need to perform a new DNS lookup.

3. Verifying Changes

After flushing the DNS cache, you can verify the changes by running ipconfig /displaydns again. The output should be empty, or significantly reduced in size, meaning there are no, or fewer, cached records.

Example Usage:

  1. Open Command Prompt (type cmd in the search bar and press Enter).
  2. Type ipconfig /displaydns and press Enter to see your current DNS settings.
  3. Type ipconfig /flushdns and press Enter to clear your DNS cache.
  4. Type ipconfig /displaydns again to confirm the cache is cleared.

Key Takeaways:

  • The main ipconfig commands for DNS are /displaydns and /flushdns.
  • ipconfig /displaydns shows your currently cached DNS records.
  • ipconfig /flushdns clears your DNS cache.
  • These commands help to troubleshoot and manage DNS-related issues.
  • Use Command Prompt (admin) for these commands.

Using ipconfig effectively gives you control over your system's DNS behavior.

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