2017-01-22-----2018-05-31 1.cn.pool.ntp.org

2017-03-21-----2018-05-30 tw.pool.ntp.org

2017-01-19-----2018-05-25 cn.pool.ntp.org

2017-01-23-----2018-05-04 0.cn.pool.ntp.org

2017-01-09-----2018-04-13 pool.ntp.org

2017-01-06-----2018-04-03 0.pool.ntp.org

2017-01-07-----2018-03-21 2.cn.pool.ntp.org

2017-02-15-----2018-03-20 2.android.pool.ntp.org

2017-12-11-----2018-02-07 0.amazon.pool.ntp.org

2018-01-14-----2018-01-14 0.freebsd.pool.ntp.org

2017-02-07-----2018-01-11 0.centos.pool.ntp.org

2018-01-11-----2018-01-11 1.centos.pool.ntp.org

2017-03-12-----2017-12-15 1.amazon.pool.ntp.org

2017-08-30-----2017-12-12 0.lede.pool.ntp.org

2017-10-12-----2017-12-04 1.openwrt.pool.ntp.org

2017-04-02-----2017-10-27 3.cn.pool.ntp.org

2017-10-14-----2017-10-14 0.debian.pool.ntp.org

2017-01-31-----2017-10-12 0.openwrt.pool.ntp.org

2017-09-05-----2017-09-05 3.amazon.pool.ntp.org

2016-11-28-----2017-08-18 asia.pool.ntp.org

2017-07-28-----2017-07-28 2.ciscosb.pool.ntp.org

2017-07-27-----2017-07-27 0.ubuntu.pool.ntp.org

2017-07-27-----2017-07-27 0.opensuse.pool.ntp.org

2016-12-10-----2017-07-14 2.pool.ntp.org

2017-04-03-----2017-07-03 time.7x24s.com

2017-06-26-----2017-06-26 0.vmware.pool.ntp.org

2017-06-19-----2017-06-19 2.asia.pool.ntp.org

2017-01-13-----2017-06-01 1.asia.pool.ntp.org

2017-04-05-----2017-04-05 1.ubuntu.pool.ntp.org

2017-04-05-----2017-04-05 2.ubuntu.pool.ntp.org

2017-03-30-----2017-03-30 0.ubnt.pool.ntp.org

2017-01-09-----2017-03-26 1.pool.ntp.org

2017-03-06-----2017-03-06 3.centos.pool.ntp.org

2017-03-05-----2017-03-05 0.asia.pool.ntp.org

2017-01-09-----2017-01-09 3.pool.ntp.org

2016-12-20-----2016-12-20 3.asia.pool.ntp.org