| Domain | Date |
| 0.pool.ntp.org | 2019-09-10 |
| 2.pool.ntp.org | 2019-09-07 |
| 2.europe.pool.ntp.org | 2019-07-11 |
| ntp.sjtu.edu.cn | 2019-07-10 |
| 3.europe.pool.ntp.org | 2019-05-28 |
| seyfert.spiderspace.co.uk | 2019-05-23 |
| no.pool.ntp.org | 2019-05-19 |
| 1.europe.pool.ntp.org | 2019-04-17 |
| 1.nettime.pool.ntp.org | 2019-03-31 |
| europe.pool.ntp.org | 2019-03-24 |
| 0.europe.pool.ntp.org | 2019-03-09 |
| 2.android.pool.ntp.org | 2018-11-30 |
| pool.ntp.org | 2018-11-28 |