| Domain | Date |
| 2.aerohive.pool.ntp.org | 2022-08-12 |
| 3.datadog.pool.ntp.org | 2022-05-26 |
| 0.pfsense.pool.ntp.org | 2022-04-28 |
| 1.europe.pool.ntp.org | 2022-04-26 |
| 0.amazon.pool.ntp.org | 2021-11-30 |
| 3.debian.pool.ntp.org | 2021-10-23 |
| 2.europe.pool.ntp.org | 2021-10-09 |
| europe.pool.ntp.org | 2021-09-10 |
| 0.debian.pool.ntp.org | 2021-08-16 |