How to edit your Mac's Hosts file and why you would want
3 Steps to Reset TCP/IP Stack Windows 10 with Netsh Sep 27, 2019 reset DNS settings to default - Apple Community Feb 11, 2015 How to Reset and Flush DNS Cache in macOS Big Sur [Fixed
Jul 20, 2018
How to Reset and Flush DNS Cache in macOS Big Sur [Fixed Jun 23, 2020 Reset your DNS if your internet stops working on your Mac To reset your DNS settings for Mac, click “IPVanish” at the top of the menu bar (It's right next to the Apple logo icon), then click on "Preferences." Once the "Preferences" window appears, click on "Connection" at the top and click the "Fix OpenVPN DNS" button as shown below:
How to Clear & Reset DNS Cache in MacOS Sierra
Dec 26, 2019 How to Clear Your DNS Cache (Mac, Windows, Chrome)