OCSP Watch is temporarily unavailable due to capacity problems. We expect it to be available again in February 2025.

OCSP Watch

OCSP Watch uses the Evaluate function from the open source software.sslmate.com/src/ocsputil Go package.

Certificate Authorities With OCSP Problems

Operator# Affected Certificates

Certificates With OCSP Problems

Issuance IDIssuer IDOperatorTime Since DiscoveryProblem TimeProblemDownload

CSV Feeds of OCSP Problems

Issuer ID
Subject
Subject (DER)
SPKI (SHA-256)
SPKI (DER)