How to flush my DNS?
Interpreted as: How do I flush my DNS cache?
Flushing your DNS cache is a very easy process that is sometimes necessary to do when your computer is not resolving a particular hostname to the correct IP address.
If you're running Microsoft Windows, then all you need to do is run the command
ipconfig /flushdns from the command line. More in depth details and instructions on how to flush your DNS in both Windows and a variety of other operating systems can be found on our flush DNS page.
If all else fails, simply rebooting your computer usually will flush your DNS cache.