| Domain | Date |
| 0.us.pool.ntp.org | 2019-07-15 |
| 3.pool.ntp.org | 2019-07-14 |
| 0.amazon.pool.ntp.org | 2019-07-01 |
| 3.us.pool.ntp.org | 2019-06-24 |
| pool.ntp.org | 2019-06-22 |
| 2.android.pool.ntp.org | 2019-06-21 |
| t1.hshh.org | 2019-06-05 |
| 0.pool.ntp.org | 2019-05-18 |
| 1.nettime.pool.ntp.org | 2019-05-15 |
| 0.nettime.pool.ntp.org | 2019-05-13 |
| time.musixmatch.com | 2019-05-09 |
| 1.pool.ntp.org | 2019-05-02 |
| 3.debian.pool.ntp.org | 2019-04-16 |
| 3.amazon.pool.ntp.org | 2019-04-10 |
| 2.pool.ntp.org | 2019-04-07 |
| 0.north-america.pool.ntp.org | 2019-03-21 |
| 0.lede.pool.ntp.org | 2019-03-14 |
| 3.ubuntu.pool.ntp.org | 2018-12-13 |
| 0.centos.pool.ntp.org | 2018-10-26 |
| 0.debian.pool.ntp.org | 2018-10-21 |
| 0.ubuntu.pool.ntp.org | 2018-10-21 |
| 0.bose.pool.ntp.org | 2018-09-14 |
| 1.debian.pool.ntp.org | 2018-09-12 |
| 0.pfsense.pool.ntp.org | 2018-09-10 |
| 3.centos.pool.ntp.org | 2018-08-24 |
| 0.freebsd.pool.ntp.org | 2018-08-23 |
| 1.coreos.pool.ntp.org | 2018-08-17 |
| 0.arch.pool.ntp.org | 2018-08-14 |
| 2.lede.pool.ntp.org | 2018-08-13 |
| 0.fedora.pool.ntp.org | 2018-08-12 |
| 0.nixos.pool.ntp.org | 2018-08-04 |
| 0.pokercopilot.pool.ntp.org | 2018-07-07 |