2021-12-30-----2023-11-24 0.us.pool.ntp.org
2023-10-27-----2023-10-27 0.north-america.pool.ntp.org
2022-12-09-----2022-12-18 north-america.pool.ntp.org
2021-12-30-----2021-12-30 1.us.pool.ntp.org
2021-03-27-----2021-03-27 2.debian.pool.ntp.org
2019-09-26-----2020-06-18 us.pool.ntp.org
2016-08-03-----2020-01-26 ntp.org
2017-03-20-----2019-12-30 www.ntp.org