{
  "version": 1,
  "rules": [
    {
      "domain": [
        "time.izatcloud.net",
        "time.xtracloud.net"
      ],
      "domain_suffix": [
        "ntp.se",
        "ntp.ufe.cz",
        "ntp.nat.ms",
        "ntp.nic.cz",
        "ntp.ripe.net",
        "ntp.fiord.ru",
        "clock.isc.org",
        "pool.ntp.org",
        "time.cloudflare.com",
        "time.nrc.ca",
        "time.windows.com",
        "ntp.nict.jp",
        "ntp2.wakwak.com",
        "ntp1.wakwak.com",
        "ats1.e-timing.ne.jp",
        "ntp0.ring.gr.jp",
        "ntp1.tohoku.ac.jp",
        "ntp.tohoku.ac.jp",
        "ntp2.ring.gr.jp",
        "ntp1.ring.gr.jp",
        "ntp.tut.ac.jp",
        "ntp2.tohoku.ac.jp",
        "ntp-tk02.ocn.ad.jp",
        "ntp-os01.ocn.ad.jp",
        "ntp1.plala.or.jp",
        "ntp2.plala.or.jp",
        "ntp.ring.gr.jp",
        "ntp-tk01.ocn.ad.jp",
        "ntp3.v6.mfeed.ad.jp",
        "s2csntp.miz.nao.ac.jp",
        "ntp.t.ring.gr.jp",
        "ntp.dnsbalance.ring.gr.jp",
        "ntp.nc.u-tokyo.ac.jp",
        "ntp2.v6.mfeed.ad.jp",
        "ntp1.v6.mfeed.ad.jp",
        "ntp3.jst.mfeed.ad.jp",
        "ntp2.jst.mfeed.ad.jp",
        "ntp1.jst.mfeed.ad.jp",
        "ntp.jst.mfeed.ad.jp",
        "cn.pool.ntp.org",
        "ntp.neu.edu.cn",
        "ntp.ntsc.ac.cn",
        "ntp.org.cn"
      ],
      "domain_regex": [
        "^time(.euro)?.apple.com$",
        "^time([1-5])?\\.facebook\\.com$",
        "^time([1-4])?.google.com$",
        "^((((ut1-wwv)|(ntp\\-(b|d|wwv))|(time(\\-(([a-e]\\-(g|b))|([a-e]\\-wwv)))?))\\.nist\\.gov)|((ntp-c|ut1-time)|(utcnist(2|3)?))\\.colorado\\.edu)$",
        "^ntp[0-7]\\.ntp-servers\\.net$",
        "^ntp([1-7])?\\.aliyun\\.com$",
        "^ntp([1-5])?\\.tencent\\.com$"
      ]
    }
  ]
}