How to clear your DNS cache

DNS cache on your local computer stores IP addresses of hostnames you have recently visited. From time to time IP address changes. You might wait a couple of hours until your DNS cache refresh automatically or clear the DNS cache manually with the following commands.

Windows

Clearing DNS is very simple. Find a ‘Command Prompt’ in your start menu. Right click and select ‘Run as Administrator’. Then type the following command:

ipconfig /flushdns

MacOS

Clearing DNS is very simple. Open a Terminal and type the following command. You will be asked for administrator password afterwards.

sudo killall -HUP mDNSResponder