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 | 2026-05-07T21:41:31Z |
| toolforge.org | 2026-05-09T10:04:25Z |
| codesearch.wmcloud.org | 2026-06-17T10:58:44Z |
| wmcloud.org | 2026-06-17T10:58:44Z |