2020-03-12-----2022-03-22 3.tw.pool.ntp.org
2019-09-24-----2021-12-26 0.tw.pool.ntp.org
2017-10-18-----2021-09-07 2.tw.pool.ntp.org
2019-07-29-----2021-06-12 1.tw.pool.ntp.org
2017-03-28-----2021-04-07 tw.pool.ntp.org
2016-08-11-----2017-05-12 asia.pool.ntp.org
2016-12-12-----2016-12-12 pool.ntp.org