| Domain | Date |
| 2.pool.ntp.org | 2019-04-15 |
| 3.pool.ntp.org | 2019-04-14 |
| 1.nettime.pool.ntp.org | 2019-04-12 |
| 0.pokercopilot.pool.ntp.org | 2019-03-29 |
| 3.us.pool.ntp.org | 2019-03-25 |
| 0.us.pool.ntp.org | 2019-03-22 |
| time.musixmatch.com | 2019-03-20 |
| t1.hshh.org | 2019-03-12 |
| 0.amazon.pool.ntp.org | 2019-03-05 |
| 0.north-america.pool.ntp.org | 2019-02-24 |
| 3.amazon.pool.ntp.org | 2019-02-16 |
| 0.centos.pool.ntp.org | 2019-02-07 |
| 0.nettime.pool.ntp.org | 2018-11-23 |
| 1.debian.pool.ntp.org | 2018-10-06 |
| 0.ubuntu.pool.ntp.org | 2018-09-21 |
| 0.pfsense.pool.ntp.org | 2018-09-18 |
| 0.nixos.pool.ntp.org | 2018-08-26 |
| 0.vizio.pool.ntp.org | 2018-08-01 |
| 0.openwrt.pool.ntp.org | 2018-07-09 |
| 0.arch.pool.ntp.org | 2018-07-02 |
| 3.centos.pool.ntp.org | 2018-06-30 |
| 1.coreos.pool.ntp.org | 2018-06-25 |
| 0.fedora.pool.ntp.org | 2018-06-13 |
| 1.rhel.pool.ntp.org | 2017-09-24 |