How to clear the local DNS cache in macOS

How to clear the DNS cache with Terminal in macOS

To clear DNS cache on macOS systems, follow the steps below. MacOS 10.15: Catalina To flush the local DNS cache on macOS Catalina, follow the following steps. Open Terminal (Application › Utilities › Terminal or press CMD+SPACEBAR and Type in ‘Terminal’ then select the black Terminal app in the list) When Terminal Starts type: ‘sudo killall -HUP mDNSResponder’ and press Enter to run the …

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