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 | 2026-01-07T23:02:02Z |
| codesearch.wmcloud.org | 2026-02-17T11:57:32Z |
| wmcloud.org | 2026-02-17T11:57:32Z |
| toolforge.org | 2026-03-10T10:35:07Z |