| Domain | Date |
| cz.pool.ntp.org | 2019-01-14 |
| 1.europe.pool.ntp.org | 2018-12-21 |
| 2.android.pool.ntp.org | 2018-10-24 |
| 0.europe.pool.ntp.org | 2018-10-11 |
| europe.pool.ntp.org | 2018-09-30 |
| pool.ntp.org | 2018-09-30 |
| 2.europe.pool.ntp.org | 2018-08-28 |
| 2.cz.pool.ntp.org | 2018-08-20 |