| Domain | Date |
| 0.arch.pool.ntp.org | 2022-07-31 |
| 2.europe.pool.ntp.org | 2022-03-21 |
| 0.amazon.pool.ntp.org | 2021-12-05 |
| 3.datadog.pool.ntp.org | 2021-07-05 |
| 0.debian.pool.ntp.org | 2021-05-27 |
| 3.pool.ntp.org | 2021-04-26 |
| 3.debian.pool.ntp.org | 2021-02-08 |
| europe.pool.ntp.org | 2020-11-07 |
| 0.pool.ntp.org | 2020-11-01 |
| 1.europe.pool.ntp.org | 2020-10-18 |
| 2.pool.ntp.org | 2020-10-15 |
| pool.ntp.org | 2020-10-06 |
| 1.pool.ntp.org | 2020-10-05 |
| 2.se.pool.ntp.org | 2020-10-03 |