Clearing DNS Cache

Overview

Sometimes issues connecting to a server, especially after maintenance and upgrades were done on it, can be cleared up by clearing DNS.

Windows - Flush the DNS Cache

At the bottom left corner in the windows search bar, type cmd and press Enter
At that command prompt, type ipconfig /flushdns and press Enter
After this completes type exit to leave the command prompt

Mac - Flush the DNS Cache

Open the terminal by using Spotlight Search or by pressing Command + Space and then type Terminal
Double click the application icon for Terminal to open it
Type in sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder
Enter your Mac’s password
Press Enter to complete
After using this command in Mac, you won’t see any type of success message. You will only be brought to a new command line.

None at this time