dns.reverse(ip, callback)

• ip <string>

• callback <Function>

  • err <Error>

  • hostnames <string[]>

执行反向域名系统查询,将 IPv4 或 IPv6 地址解析为主机名数组。

\Performs a reverse DNS query that resolves an IPv4 or IPv6 address to an array of host names.

出错时,err 是一个 Error 对象,其中 err.code 是 DNS 错误代码 之一。

\On error, err is an Error object, where err.code is one of the DNS error codes.