| Domain | Date |
| 1.manjaro.pool.ntp.org | 2021-03-12 |
| 3.suse.pool.ntp.org | 2021-01-27 |
| 3.us.pool.ntp.org | 2021-01-17 |
| t1.hshh.org | 2020-12-10 |
| 2.aerohive.pool.ntp.org | 2020-12-05 |
| 0.arch.pool.ntp.org | 2020-11-04 |
| 3.centos.pool.ntp.org | 2020-10-18 |
| 0.ubnt.pool.ntp.org | 2020-10-06 |
| 1.cloudgenix.pool.ntp.org | 2020-10-01 |
| 2.boot2docker.pool.ntp.org | 2020-09-13 |
| 0.rhel.pool.ntp.org | 2020-08-03 |