How to clear your DNS Cache

Windows

1. Close down all your Internet browsers.
2. Press the Windows Key + R to open the run box.
3. Type in the following: ipconfig /flushdns
4. Press Enter.

Mac

1. Go to your Applications folder.
2. From there, go to the Utilities folder.
3. Open the Terminal application.
4. Type in the following: dscacheutil -flushcache
5. Press Enter.