| Domain | Date |
| 1.debian.pool.ntp.org | 2018-01-14 |
| 0.europe.pool.ntp.org | 2018-01-09 |
| 1.europe.pool.ntp.org | 2018-01-09 |
| 3.debian.pool.ntp.org | 2018-01-07 |
| 3.ubuntu.pool.ntp.org | 2017-12-25 |
| pool.ntp.org | 2017-12-24 |
| 0.pool.ntp.org | 2017-12-19 |
| 2.europe.pool.ntp.org | 2017-12-14 |
| 2.android.pool.ntp.org | 2017-12-11 |
| 3.europe.pool.ntp.org | 2017-11-29 |
| 2.ubuntu.pool.ntp.org | 2017-11-28 |
| ntp.schallert.com | 2017-11-28 |
| europe.pool.ntp.org | 2017-11-21 |
| 1.pool.ntp.org | 2017-11-11 |
| t1.hshh.org | 2017-11-11 |