| Domain | Date |
| be.pool.ntp.org | 2025-09-01 |
| ntp.stuart.be | 2025-07-05 |
| ntp.kangaroot.com | 2025-06-23 |
| ntp0.ntp-servers.net | 2025-01-30 |
| 0.amazon.pool.ntp.org | 2023-01-16 |
| 0.europe.pool.ntp.org | 2022-11-20 |
| 2.europe.pool.ntp.org | 2022-10-28 |
| 1.nettime.pool.ntp.org | 2022-07-31 |
| 3.datadog.pool.ntp.org | 2022-07-18 |
| 0.ubnt.pool.ntp.org | 2022-06-02 |
| 0.debian.pool.ntp.org | 2022-02-04 |
| 1.europe.pool.ntp.org | 2021-12-18 |
| 2.aolt.pool.ntp.org | 2021-12-18 |
| europe.pool.ntp.org | 2021-11-27 |