How to clear your DNS cache on OSX 10.10.4 or above

MacOS® 10.10.4 and above
To clear your DNS cache if you use MacOS X version 10.10.4 or above, perform the following steps:

Click Applications.
Click Utilities.
Click Terminal.
Run the following command:

Or on Microsoft Windows version 7, 8, 10 type the following command to the command prompt: