dns.resolve4(hostname[, options], callback)


  • hostname <string> 要解析的主机名。

    ¥hostname <string> Host name to resolve.

  • options <Object>

    • ttl <boolean> 检索每条记录的生存时间值 (TTL)。当为 true 时,回调接收 { address: '1.2.3.4', ttl: 60 } 对象数组而不是字符串数组,TTL 以秒表示。

      ¥ttl <boolean> Retrieves the Time-To-Live value (TTL) of each record. When true, the callback receives an array of { address: '1.2.3.4', ttl: 60 } objects rather than an array of strings, with the TTL expressed in seconds.

  • callback <Function>

使用域名系统协议为 hostname 解析 IPv4 地址(A 记录)。传给 callback 函数的 addresses 参数将包含 IPv4 地址的数组(例如 ['74.125.79.104', '74.125.79.105', '74.125.79.106'])。

¥Uses the DNS protocol to resolve a IPv4 addresses (A records) for the hostname. The addresses argument passed to the callback function will contain an array of IPv4 addresses (e.g. ['74.125.79.104', '74.125.79.105', '74.125.79.106']).