Windows XP, 2000, or Vista
- Open the Start menu.
- Go to Run.
- If you do not see the Run command in Vista, search for “run” in the Search bar.
- In the Run text box, type: ipconfig /flushdns
- Press Enter or Return, and your cache will be flushed.
MacOS
- Go to Applications.
- Go to Utilities.
- Open the Terminal application.
- Type: dscacheutil -flushcache
- Press Enter or Return, and your cache will be flushed.