CertMon: Monitoring TLS Certificates

Every 30 seconds, this job checks the expiration dates of TLS certificates. It exposes these dates as metrics for monitoring with Prometheus.

Source code: https://github.com/brawer/certmon

DomainCertificate expires
codesearch.wmcloud.org2025-07-27T13:22:33Z
wmcloud.org2025-07-27T13:22:33Z
query.wikidata.org2025-09-09T23:59:37Z
toolforge.org2025-09-11T12:04:45Z