Flush DNS cache locally in macOS, OSX, Linux and Windows
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 Change DNS Server Settings in Mac OS? Apr 19, 2017 How to flush and reset DNS Cache | CHTSI
Sep 27, 2019
Nov 08, 2018 How to Reset DNS Cache in MacOS Mojave On Mac – 10.14
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How do I set up a DNS server? | Mac Support Oct 07, 2002 Article - Reset DNS Servers on Mac