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。
hostname
<string>callback
<Function>err
<Error>addresses
<Object[]>
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'}, ...]
).