dns.resolveMx(hostname, callback)
-
hostname<string> -
callback<Function>-
err<Error> -
addresses<Object[]>
-
使用域名系统协议解析 hostname 的邮件交换记录(MX 记录)。传给 callback 函数的 addresses 参数将包含其中包含 priority 和 exchange 属性(例如 [{priority: 10, exchange: 'mx.example.com'}, ...])的对象数组。
¥Uses the DNS protocol to resolve mail exchange records (MX records) for the
hostname. The addresses argument passed to the callback function will
contain an array of objects containing both a priority and exchange
property (e.g. [{priority: 10, exchange: 'mx.example.com'}, ...]).