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How do I clear my computer's DNS cache Print

  • dns cache, clear, dns, cache
  • 4

How to clear your DNS cache

Windows® 8

For Windows 8, perform the following steps:

  1. On your keyboard, press Win+X to open the WinX Menu.
  2. Right-click Command Prompt and select Run as Administrator.
  3. Run the following command:

    ipconfig /flushdns

    You should see the following output:

    Windows IP configuration successfully flushed the DNS Resolver Cache.

Windows 7

For Windows 7, perform the following steps:

  1. Click Start.
  2. Enter cmd in the Start menu search text box.
  3. Right-click Command Prompt and select Run as Administrator.
  4. Run the following command:

    ipconfig /flushdns

    You should see the following output:

    Windows IP configuration successfully flushed the DNS Resolver Cache.

Windows XP, 2000, or Vista®

For Windows XP, 2000, or Vista®, perform the following steps:

  1. Click Start.
  2. On the Start menu, click Run....
    • If you do not see the Run command in Vista, enter run in the Search bar.
  3. Run the following command in the Run text box:

    ipconfig /flushdns

    You should see the following output:

    Successfully flushed the DNS Resolver Cache.

MacOS® 10.10

If you use MacOS X version 10.10, perform the following steps:

  1. Click Applications.
  2. Click Utilities.
  3. Click Terminal.
  4. Run the following command:

    sudo discoveryutil mdnsflushcache

    To run this command, you will need the Admin users' account password.

    The system does not return any output.

MacOS 10.7, 10.8, and 10.9

For MacOS X version 10.7, 10.8, or 10.9, perform the following steps:

  1. Click Applications.
  2. Click Utilities.
  3. Double-click Terminal.
  4. Run the following command:

    sudo killall -HUP mDNSResponder

    To run this command, you will need the Admin users' account password.

    The system does not return any output.

MacOS 10.5 and 10.6

For MacOS X version 10.5 or 10.6, perform the following steps:

  1. Click Applications.
  2. Click Utilities.
  3. Double-click Terminal.
  4. Run the following command:

    sudo dscacheutil -flushcache

    To run this command, you will need the Admin users' account password.

    The system does not return any output.


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