| Domain | Date |
| ntp-o.dia.vaillant-group.com | 2023-01-18 |
| 1.nettime.pool.ntp.org | 2022-12-07 |
| 0.echo360.pool.ntp.org | 2022-10-16 |
| 1.arch.pool.ntp.org | 2022-09-18 |
| 0.europe.pool.ntp.org | 2022-09-11 |
| 0.amazon.pool.ntp.org | 2022-06-27 |
| 3.centos.pool.ntp.org | 2022-06-11 |
| 2.europe.pool.ntp.org | 2022-06-02 |
| 1.europe.pool.ntp.org | 2022-05-06 |
| 3.ubuntu.pool.ntp.org | 2022-01-11 |
| europe.pool.ntp.org | 2021-07-29 |
| 0.debian.pool.ntp.org | 2021-07-20 |
| 0.centos.pool.ntp.org | 2021-06-12 |
| t1.hshh.org | 2021-06-11 |
| 3.debian.pool.ntp.org | 2021-05-23 |
| 3.pool.ntp.org | 2021-03-17 |
| 0.pool.ntp.org | 2021-02-10 |
| 0.de.pool.ntp.org | 2020-06-14 |