2020-06-17-----2024-01-12 1.ch.pool.ntp.org

2019-09-29-----2023-11-20 swisstime.ethz.ch

2018-12-06-----2023-10-27 europe.pool.ntp.org

2019-07-12-----2023-08-19 3.ch.pool.ntp.org

2023-06-28-----2023-08-17 0.ch.pool.ntp.org

2020-07-20-----2023-04-19 ch.pool.ntp.org

2021-11-07-----2023-04-15 1.nettime.pool.ntp.org

2023-02-22-----2023-02-22 0.pfsense.pool.ntp.org

2022-12-04-----2022-12-04 0.freebsd.pool.ntp.org

2020-09-09-----2022-11-25 0.europe.pool.ntp.org

2022-11-17-----2022-11-17 0.openwrt.pool.ntp.org

2020-06-22-----2022-11-02 2.ch.pool.ntp.org

2022-07-25-----2022-07-25 pool.ntp.org

2021-07-28-----2022-03-21 ntp.sjtu.edu.cn

2021-02-21-----2021-02-21 2.centos.pool.ntp.org

2021-02-15-----2021-02-15 2.ubnt.pool.ntp.org