| Domain | Date |
| 0.arch.pool.ntp.org | 2022-07-02 |
| 0.amazon.pool.ntp.org | 2021-10-06 |
| t1.hshh.org | 2020-08-04 |
| 0.nixos.pool.ntp.org | 2020-08-01 |
| 0.debian.pool.ntp.org | 2020-07-28 |
| 3.pool.ntp.org | 2020-05-31 |
| 2.pool.ntp.org | 2020-04-12 |
| pool.ntp.org | 2020-03-11 |
| 2.europe.pool.ntp.org | 2020-03-05 |
| 1.pool.ntp.org | 2020-01-28 |
| europe.pool.ntp.org | 2020-01-13 |
| 0.pool.ntp.org | 2020-01-10 |