Another solution that comes in the list of fixes to resolve the DNS issues, is to modify the Power Options settings. To do so, follow the given steps: Go to the Cortana, and search Contol Panel and click on the Control Panel. Click on the System and Security. Now, click on the Power Options.
10 Ways to Troubleshoot DNS Resolution Issues Jun 17, 2009 Microsoft fixes critical wormable RCE SigRed in Windows Jul 14, 2020 How to Fix DNS Server Not Responding Problem (with Pictures) Mar 13, 2020 10 tips for troubleshooting DNS problems - TechRepublic
DNS BAD CONFIG and Internet issues. Windows Server 2012 R2 wasn't an available category so I am going with Windows 8.1. I upgraded to Server 2019 (fresh install) but wasn't please with the Network Policy Server issue.
Dec 20, 2018 macos - DNS not resolving on Mac OS X - Ask Different
10 tips for troubleshooting DNS problems - TechRepublic
Apr 29, 2020 Troubleshooting Domain Name System (DNS) issues Domain Name resolution issues can be broken down into client-side and server-side issues. In general, you should start with client-side troubleshooting unless you determine during the scoping phase that the issue is definitely occurring on the server side. Troubleshooting DNS Servers | Microsoft® Docs Zone Transfer Problems. Run the following checks: Check Event Viewer for both the primary and secondary DNS server. Check the master server to see whether it's refusing to send the transfer for security. Check the Zone Transfers tab of the zone properties in the DNS console.