2021-10-16-----2021-10-16 ntp1.itcompliance.dk

2017-01-09-----2021-10-11 2.pool.ntp.org

2021-08-07-----2021-08-07 2.europe.pool.ntp.org

2021-01-27-----2021-08-03 dk.pool.ntp.org

2020-06-22-----2021-01-21 0.dk.pool.ntp.org

2019-09-08-----2020-09-16 europe.pool.ntp.org

2017-03-26-----2018-01-31 0.cn.pool.ntp.org

2017-01-09-----2018-01-26 1.pool.ntp.org

2017-01-12-----2018-01-11 pool.ntp.org

2017-12-12-----2017-12-12 0.lede.pool.ntp.org

2017-01-07-----2017-10-26 cn.pool.ntp.org

2017-01-07-----2017-06-30 1.cn.pool.ntp.org

2017-01-11-----2017-03-06 0.centos.pool.ntp.org

2017-01-07-----2017-01-26 2.cn.pool.ntp.org

2017-01-06-----2017-01-09 0.pool.ntp.org

2017-01-07-----2017-01-07 3.cn.pool.ntp.org