| Domain | Date |
| 3.datadog.pool.ntp.org | 2022-12-08 |
| 0.rhel.pool.ntp.org | 2022-11-21 |
| 0.pfsense.pool.ntp.org | 2022-11-17 |
| 0.debian.pool.ntp.org | 2020-11-24 |
| 0.pool.ntp.org | 2020-09-25 |
| 1.pool.ntp.org | 2020-09-02 |
| 3.pool.ntp.org | 2020-06-30 |
| 2.pool.ntp.org | 2020-05-21 |
| pool.ntp.org | 2020-04-27 |
| asia.pool.ntp.org | 2020-02-17 |