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
| Domain | Certificate expires |
|---|---|
| query.wikidata.org | 2025-11-08T23:56:28Z |
| codesearch.wmcloud.org | 2025-12-19T12:27:07Z |
| wmcloud.org | 2025-12-19T12:27:07Z |
| toolforge.org | 2026-01-09T11:04:26Z |