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 | 2025-07-12T00:54:58Z |
| toolforge.org | 2025-07-13T12:35:36Z |
| codesearch.wmcloud.org | 2025-07-27T13:22:33Z |
| wmcloud.org | 2025-07-27T13:22:33Z |