2017-02-07-----2021-05-20 time.apple.com
2020-09-17-----2020-09-17 time.euro.apple.com
2016-12-06-----2020-06-23 ntp.api.bz
2016-02-10-----2020-04-16 time.asia.apple.com
2018-01-02-----2018-04-18 time-ios.apple.com
2017-10-12-----2017-10-12 time-ios.g.aaplimg.com
2016-12-14-----2017-05-24 time-osx.g.aaplimg.com