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 | 2026-07-06T20:52:29Z |
| toolforge.org | 2026-07-08T09:34:13Z |
| codesearch.wmcloud.org | 2026-08-16T10:28:26Z |
| wmcloud.org | 2026-08-16T10:28:26Z |