| Domain | Date |
| 3.pool.ntp.org | 2020-11-24 |
| 3.suse.pool.ntp.org | 2020-11-18 |
| 2.boot2docker.pool.ntp.org | 2020-11-12 |
| 3.us.pool.ntp.org | 2020-11-08 |
| 2.aerohive.pool.ntp.org | 2020-11-07 |
| 1.coreos.pool.ntp.org | 2020-11-02 |
| 0.rhel.pool.ntp.org | 2020-10-28 |
| 1.cloudgenix.pool.ntp.org | 2020-10-27 |
| 1.manjaro.pool.ntp.org | 2020-10-27 |
| 0.ubnt.pool.ntp.org | 2020-10-20 |
| 0.debian.pool.ntp.org | 2020-10-16 |
| 0.arch.pool.ntp.org | 2020-10-15 |
| pool.ntp.org | 2020-10-15 |
| 3.centos.pool.ntp.org | 2020-10-14 |
| 2.pool.ntp.org | 2020-10-11 |
| 0.amazon.pool.ntp.org | 2020-10-10 |
| 0.clearlinux.pool.ntp.org | 2020-10-10 |
| 2.sophos.pool.ntp.org | 2020-10-09 |
| 3.datadog.pool.ntp.org | 2020-10-09 |
| 0.pfsense.pool.ntp.org | 2020-10-06 |
| 1.pool.ntp.org | 2020-10-05 |
| 3.debian.pool.ntp.org | 2020-10-05 |
| 0.pool.ntp.org | 2020-10-04 |