2025-05-29-----2025-05-29 ntp.polycom.com

2024-05-08-----2024-05-08 1.ubuntu.pool.ntp.org

2024-04-30-----2024-04-30 0.xenserver.pool.ntp.org

2023-10-13-----2023-10-13 0.amazon.pool.ntp.org

2023-03-14-----2023-03-14 0.openwrt.pool.ntp.org

2022-06-20-----2022-06-20 pool.ntp.org