{
  "ok": true,
  "latency_ms_server": 0,
  "service": "cf-china-gateway",
  "time": "2026-07-29T14:07:34.943Z",
  "colo": "CMH",
  "country": "US",
  "city": "Columbus",
  "region": "Ohio",
  "asOrganization": "Anthropic, PBC",
  "httpProtocol": "HTTP/2",
  "tlsVersion": "TLSv1.3",
  "clientIp": "216.73.216.216",
  "ray": "a22cb0d35c2d3401",
  "host": "cf.cn.mifen.tech",
  "preferredHosts": [
    "gw.788890.xyz",
    "cf.mifen.tech",
    "mail-temp.788890.xyz"
  ],
  "tip": "客户端用 curl -w '%{time_total}' 测端到端延迟；配合优选 IP 更稳。"
}