How do I clear my DNS cache? Print

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How to clear your DNS cache

The following methods allow you to remove old and inaccurate DNS information that may result in 404 errors.

Windows® 8

  1. Press Win+X to open the WinX Menu.
  2. Right-click on Command Prompt and select Run as Administrator.
  3. Enter the following command:

    ipconfig /flushdns
    If the command was successful, you will see the following message:
    Windows IP configuration successfully flushed the DNS Resolver Cache.

Windows 7

  1. Click the Start button.
  2. Enter cmd in the Start menu search text box.
  3. Right-click on Command Prompt and select Run as Administrator.
  4. Type the following command and press Enteripconfig /flushdns
  5. If the command was successful, you will see the following message:

    Windows IP configuration successfully flushed the DNS Resolver Cache.

Windows XP, 2000, or Vista®

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

    ipconfig /flushdns

MacOS® 10.7 and 10.8

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

    sudo killall -HUP mDNSResponder

    Warning: To run this command, you will need to know the computer's Admin account password.

MacOS 10.5 and 10.6

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

     

    sudo dscacheutil -flushcache

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