2020-06-18-----2022-01-21 de.pool.ntp.org

2021-12-18-----2021-12-18 2.android.pool.ntp.org

2021-11-11-----2021-11-11 1.nettime.pool.ntp.org

2021-03-26-----2021-08-05 europe.pool.ntp.org

2021-05-16-----2021-05-16 ntp.sjtu.edu.cn

2021-03-30-----2021-03-30 pool.ntp.org

2020-03-30-----2021-03-04 1.de.pool.ntp.org

2020-06-19-----2020-06-19 0.pool.ntp.org

2020-06-17-----2020-06-17 0.de.pool.ntp.org

2020-06-17-----2020-06-17 bntp.one.vodafone-ip.de

2019-12-16-----2020-06-09 0.centos.pool.ntp.org

2020-03-31-----2020-03-31 3.pool.ntp.org

2019-12-31-----2019-12-31 0.amazon.pool.ntp.org

2019-12-20-----2019-12-20 3.amazon.pool.ntp.org