2019-10-07-----2022-03-29 europe.pool.ntp.org

2022-01-24-----2022-01-24 2.amazon.pool.ntp.org

2020-03-30-----2021-11-04 ru.pool.ntp.org

2020-06-17-----2021-07-12 3.ru.pool.ntp.org

2021-04-20-----2021-04-20 3.pool.ntp.org

2021-04-18-----2021-04-18 ntp.sjtu.edu.cn

2021-03-19-----2021-03-19 ntp1.tummy.com

2021-02-22-----2021-02-22 1.ru.pool.ntp.org

2021-02-17-----2021-02-17 pool.ntp.org

2020-10-27-----2020-10-27 0.europe.pool.ntp.org

2020-06-17-----2020-06-22 0.ru.pool.ntp.org

2020-06-04-----2020-06-04 2.europe.pool.ntp.org