| Domain | Date |
| 0.amazon.pool.ntp.org | 2023-08-26 |
| 2.europe.pool.ntp.org | 2021-10-27 |
| 3.datadog.pool.ntp.org | 2021-06-28 |
| 1.europe.pool.ntp.org | 2021-05-05 |
| europe.pool.ntp.org | 2021-04-01 |
| 3.debian.pool.ntp.org | 2021-03-19 |
| 0.pool.ntp.org | 2021-02-06 |
| 0.debian.pool.ntp.org | 2021-02-04 |
| 2.pool.ntp.org | 2021-01-31 |
| 3.pool.ntp.org | 2021-01-31 |