Clearing Your DNS Cache
Windows® XP, 2000, or Vista®
1.Open the Start menu.
2.Go to Run.
◦If you do not see the Run command in Vista, search for "run" in the Search bar.
3.In the Run text box, type: ipconfig /flushdns
4.Press Enter or Return, and your cache will be flushed.
MacOS®
1.Go to Applications.
2.Go to Utilities.
3.Open the Terminal application.
4.Type: dscacheutil -flushcache
5.Press Enter or Return, and your cache will be flushed.