[SYSTEM] Active incident: Let's Encrypt Rate Limit Blocks Certificate Renewal
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Execute Remediation⚠ PROD
Your platform provisions Let's Encrypt certificates automatically for customer custom domains. An engineer deployed a bug that caused the certificate provisioning service to retry failed ACME requests in a tight loop (no exponential backoff). Within 4 hours, the service burned through all 50 certificates for your wildcard domain for the week. New customers adding custom domains get HTTPS errors. Existing customers are unaffected.