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How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED - Troubleshooting Nginx proxy_pass Connection Refused-Troubleshooting Git SSL Certificate Verification Failure

Updated 2026-07-28 11:15:49office-tools
How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED - Troubleshooting Nginx proxy_pass Connection Refused-Troubleshooting Git SSL Certificate Verification Failure
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

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