| Domain | Date |
| 1.europe.pool.ntp.org | 2021-01-09 |
| 0.europe.pool.ntp.org | 2020-12-06 |
| 3.debian.pool.ntp.org | 2020-12-03 |
| 1.pool.ntp.org | 2020-12-01 |
| 0.debian.pool.ntp.org | 2020-10-04 |
| 0.de.pool.ntp.org | 2020-09-28 |
| 2.pool.ntp.org | 2020-09-24 |
| 2.europe.pool.ntp.org | 2020-09-23 |
| 3.pool.ntp.org | 2020-09-23 |
| europe.pool.ntp.org | 2020-09-19 |
| pool.ntp.org | 2020-09-16 |
| 0.pool.ntp.org | 2020-09-15 |
| de.pool.ntp.org | 2020-09-11 |