Home / macos-help / How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED - Troubleshooting DNS Probe Finished NXDOMAIN on Custom Servers-Resolving Nginx Server Block Test Errors

How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED - Troubleshooting DNS Probe Finished NXDOMAIN on Custom Servers-Resolving Nginx Server Block Test Errors

Updated 2026-07-29 03:49:03macos-help

How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED - Troubleshooting DNS Probe Finished NXDOMAIN on Custom Servers-Resolving Nginx Server Block Test Errors

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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