| Domain | Date |
| ntp0.ntp-servers.net | 2025-12-10 |
| ntp.tcc-net.com | 2025-09-02 |
| de.pool.ntp.org | 2025-09-01 |
| ntp.ur.de | 2025-09-01 |
| ntp-2.fh-kiel.de | 2025-08-07 |
| ntp2.printmonitor.at | 2025-08-02 |
| ntp1.laservorm.com | 2025-05-12 |
| ntp1.n-ix.net | 2025-05-01 |
| time.seemoo.de | 2025-01-09 |
| ntp.mit.de | 2024-12-16 |
| ntp.karso.de | 2024-12-05 |
| ntp.nlab.de | 2024-11-12 |
| ntp.fh-kiel.de | 2024-10-14 |
| ntp0.one.vodafone-ip.de | 2024-10-05 |
| ntpvoip.rea.de | 2024-10-05 |
| 1.europe.pool.ntp.org | 2024-09-09 |
| ntp.oooforum.de | 2024-08-16 |
| 2.europe.pool.ntp.org | 2023-09-01 |
| 0.europe.pool.ntp.org | 2023-07-19 |
| 0.de.pool.ntp.org | 2023-06-21 |