The following instructions will flush the cache of your DNS resolver.
Windows 7
- Click the Start Menu.
- Go to All Programs.
- Choose Accessories and right-click Command Prompt.
- Choose Run as Administrator.
- Enter the following command followed by the enter button:
ipconfig /flushdns
Windows 8 / Windows 10
- On Windows 8 press the Windows Key or hover your mouse over the bottom left corner and click the Windows Icon. On Windows 10 click on the start button.
- Begin typing Command Prompt.
- Right-click the application and select Run as Administrator.
- Enter the following command followed by the enter button:
ipconfig /flushdns
macOS
- Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal.
- Enter the following command followed by the enter button:
sudo killall -HUP mDNSResponder
Linux
- Open a terminal window (gnome-terminal, konsole, xterm, etc).
- Enter the following command followed by the enter button:
sudo /etc/init.d/nscd restart