WARNING: Certificate for app.example.com:443 expires in 18 day(s)

Certificate details:
Subject: CN = app.example.com
Issuer: C = US, O = Example CA, CN = Example Intermediate CA
notBefore: Apr 11 00:00:00 2026 GMT
notAfter: May 29 23:59:59 2026 GMT
SAN/CN: DNS:app.example.com, DNS:api.example.com

Evidence:
Target: app.example.com:443
SNI: app.example.com
Thresholds: warning=30 days critical=7 days

Recommended next steps:
- Renew certificate before the operational threshold is breached
- Check the full chain and intermediate certificates
- Check the load balancer, ingress, or reverse proxy serving this certificate
- Verify monitoring threshold and alert ownership
- Attach this output to incident or change ticket