| Domain | Date |
| 3.datadog.pool.ntp.org | 2021-01-12 |
| 3.pool.ntp.org | 2020-12-28 |
| 3.us.pool.ntp.org | 2020-12-25 |
| 0.ubnt.pool.ntp.org | 2020-12-15 |
| 3.debian.pool.ntp.org | 2020-12-15 |
| pool.ntp.org | 2020-12-08 |
| 2.sophos.pool.ntp.org | 2020-11-26 |
| 1.cloudgenix.pool.ntp.org | 2020-11-20 |
| 0.pool.ntp.org | 2020-11-19 |
| 1.manjaro.pool.ntp.org | 2020-11-19 |
| 0.nixos.pool.ntp.org | 2020-11-18 |
| 2.boot2docker.pool.ntp.org | 2020-11-17 |
| 0.arch.pool.ntp.org | 2020-11-16 |
| 0.pfsense.pool.ntp.org | 2020-11-16 |
| 0.rhel.pool.ntp.org | 2020-11-15 |
| 2.aerohive.pool.ntp.org | 2020-11-15 |
| 3.centos.pool.ntp.org | 2020-11-15 |
| 0.clearlinux.pool.ntp.org | 2020-11-14 |
| t1.hshh.org | 2020-11-13 |
| 1.coreos.pool.ntp.org | 2020-11-12 |
| 0.debian.pool.ntp.org | 2020-11-11 |
| 2.pool.ntp.org | 2020-11-11 |
| 1.pool.ntp.org | 2020-11-10 |
| 0.amazon.pool.ntp.org | 2020-10-21 |