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.org2026-10-15T09:55:48Z
wmcloud.org2026-10-15T09:55:48Z
query.wikidata.org2026-11-03T19:15:40Z
toolforge.org2026-11-05T08:34:26Z