dns.reverse(ip, callback)


执行反向 DNS 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.】

出现错误时,err 是一个 Error 对象,其中 err.codeDNS 错误代码 之一。

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