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Cloudflare DNS Propagation Error Fix: Step-by-Step Guide - Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode-Nginx Upstream Directive Test Failure Fix

Updated 2026-07-28 07:51:27browser-issues
Cloudflare DNS Propagation Error Fix: Step-by-Step Guide - Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode-Nginx Upstream Directive Test Failure Fix
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.