我可以使用客户端 Javascript 执行 DNS 查找(主机名到 IP 地址)吗? [英] Can I perform a DNS lookup (hostname to IP address) using client-side Javascript?

问题描述

我想使用客户端 Javascript 执行从客户端计算机看到的 DNS 查找(主机名到 IP 地址).这可能吗?

I would like to use client-side Javascript to perform a DNS lookup (hostname to IP address) as seen from the client's computer. Is that possible?

推荐答案

javascript 标准库中没有主机或 IP 地址的概念.所以你必须访问一些外部服务来为你查找主机名.

There's no notion of hosts or ip-addresses in the javascript standard library. So you'll have to access some external service to look up hostnames for you.

我建议托管一个 cgi-bin，它会查找主机名的 ip 地址并通过 javascript 访问该地址.

I recommend hosting a cgi-bin which looks up the ip-address of a hostname and access that via javascript.

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