{
    "errcode": 0,
    "errmsg": "ok",
    "domain_list": [
        {
            "domain": "i.work.weixin.qq.com",
            "universal_domian": "work.weixin.qq.com",
            "protocol": "TCP",
            "port": [ 443, 80 ],
            "is_necessary": 1,
            "description": "企业微信客户端长连接，消息收发等功能;企业微信客户端短连接，登录、拉组织架构等功能"
        },
        {
            "domain": "live.work.weixin.qq.com",
            "universal_domian": "work.weixin.qq.com",
            "protocol": "TCP",
            "port": [ 443, 80 ],
            "is_necessary": 0,
            "description": "企业微信客户端长连接，消息收发等功能;企业微信客户端短连接，登录、拉组织架构等功能"
        }
    ],
    "ip_list": [
        {
            "ip": "115.238.203.109",
            "protocol": "TCP",
            "port": [ 443, 80 ],
            "is_necessary": 0,
            "description": "企业微信客户端HTTPDNS解析"
        },
        {
            "ip": "115.238.203.110",
            "protocol": "TCP",
            "port": [ 443, 80 ],
            "is_necessary": 1,
            "description": "企业微信客户端HTTPDNS解析"
        }
    ]
}