| Domain | Date |
| 0.arch.pool.ntp.org | 2021-02-27 |
| 0.pfsense.pool.ntp.org | 2021-02-14 |
| 0.rhel.pool.ntp.org | 2021-01-10 |
| 2.lede.pool.ntp.org | 2021-01-10 |
| 0.clearlinux.pool.ntp.org | 2021-01-08 |
| 1.cloudgenix.pool.ntp.org | 2020-12-15 |
| 3.rhel.pool.ntp.org | 2020-10-22 |
| 2.boot2docker.pool.ntp.org | 2020-10-16 |
| 2.sophos.pool.ntp.org | 2020-09-21 |
| 0.ubnt.pool.ntp.org | 2020-08-02 |
| 2.aerohive.pool.ntp.org | 2020-07-30 |
| 0.nettime.pool.ntp.org | 2019-09-30 |
| 0.bose.pool.ntp.org | 2019-07-22 |
| t1.hshh.org | 2019-07-02 |
| 0.ubuntu.pool.ntp.org | 2019-05-09 |
| 0.pool.ntp.org | 2019-03-17 |
| 1.nettime.pool.ntp.org | 2019-02-25 |
| 1.pool.ntp.org | 2019-02-08 |
| 2.pool.ntp.org | 2018-12-08 |
| 2.android.pool.ntp.org | 2018-11-28 |
| 0.amazon.pool.ntp.org | 2018-11-16 |
| 0.us.pool.ntp.org | 2018-10-01 |
| time.musixmatch.com | 2018-09-26 |
| pool.ntp.org | 2018-08-22 |
| 3.us.pool.ntp.org | 2018-07-13 |
| 3.centos.pool.ntp.org | 2018-07-05 |
| 0.north-america.pool.ntp.org | 2018-07-04 |
| 0.fedora.pool.ntp.org | 2018-06-26 |
| 3.pool.ntp.org | 2018-06-23 |