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 | 2026-11-03T19:15:40Z |
| codesearch.wmcloud.org | 2026-12-14T09:25:56Z |
| wmcloud.org | 2026-12-14T09:25:56Z |
| toolforge.org | 2027-01-04T08:04:38Z |