| Domain | Date |
| 0.debian.pool.ntp.org | 2017-11-12 |
| t2.hshh.org | 2017-11-11 |
| 1.pool.ntp.org | 2017-11-06 |
| 2.debian.pool.ntp.org | 2017-10-28 |
| pool.ntp.org | 2017-10-28 |
| 0.freebsd.pool.ntp.org | 2017-10-22 |
| 0.europe.pool.ntp.org | 2017-10-19 |
| 2.arch.pool.ntp.org | 2017-10-06 |
| 2.europe.pool.ntp.org | 2017-10-02 |
| 2.pool.ntp.org | 2017-10-02 |
| 1.debian.pool.ntp.org | 2017-09-26 |
| 3.pool.ntp.org | 2017-09-26 |
| 1.europe.pool.ntp.org | 2017-09-24 |
| 2.android.pool.ntp.org | 2017-09-24 |
| 0.pool.ntp.org | 2017-09-18 |
| 3.debian.pool.ntp.org | 2017-09-10 |
| 3.europe.pool.ntp.org | 2017-09-09 |
| europe.pool.ntp.org | 2017-09-08 |
| 3.ubuntu.pool.ntp.org | 2017-09-07 |
| at.pool.ntp.org | 2017-05-30 |
| time.reisenbauer-it.com | 2017-04-13 |