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Fix DNS Probe Finished NXDOMAIN with VPN Issues - Resolve 502 Bad Gateway in Docker Nginx MySQL Setup-Troubleshooting Nginx Connection Refused Error

2026-07-28 10:36:24browser-issues
Fix DNS Probe Finished NXDOMAIN with VPN Issues - Resolve 502 Bad Gateway in Docker Nginx MySQL Setup-Troubleshooting Nginx Connection Refused Error

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.

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