These are all of the certificates which are known to use a compromised key.

SubjectIssuerExpiryNotified?
*.huh-rostock.de C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA 2026-05-12T23:59:59Z Fri, 20 Jun 2025 02:49:39 +0000 View full certificate
*.huh-rostock.de C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA 2026-05-12T23:59:59Z Fri, 20 Jun 2025 02:49:39 +0000 View full certificate
fistalk.com C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA 2026-04-05T23:59:59Z Tue, 06 May 2025 15:34:48 +0000 View full certificate
fistalk.com C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA 2026-04-05T23:59:59Z Tue, 06 May 2025 15:34:48 +0000 View full certificate
fistalk.com C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA 2026-04-05T23:59:59Z Tue, 06 May 2025 15:34:48 +0000 View full certificate
fistalk.com C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA 2026-04-05T23:59:59Z Tue, 06 May 2025 15:34:48 +0000 View full certificate