| Domain | Date |
| 2.aerohive.pool.ntp.org | 2022-05-03 |
| 0.debian.pool.ntp.org | 2021-05-06 |
| 3.centos.pool.ntp.org | 2021-05-02 |
| 1.manjaro.pool.ntp.org | 2021-03-18 |
| 0.pfsense.pool.ntp.org | 2021-03-14 |
| 0.rhel.pool.ntp.org | 2021-02-25 |
| pool.ntp.org | 2021-02-02 |
| 3.suse.pool.ntp.org | 2021-02-01 |
| 3.pool.ntp.org | 2021-01-31 |
| 1.cloudgenix.pool.ntp.org | 2021-01-26 |
| 0.pool.ntp.org | 2021-01-22 |
| 2.pool.ntp.org | 2021-01-18 |