使用JavaScript执行DNS查找以将主机名解析为IP地址 [英] Perform a DNS lookup to resolve a hostname to an IP address using JavaScript
问题描述
可以使用Javascript解析主机名吗?
Is it possible to resolve a hostname using Javascript?
这是假设代码:
var hostname = "www.yahoo.com";
var ipAddress = DnsLookup(hostname);
console.log(ipAddress);
我正在寻找魔术 DnsLookup()
功能。 : - )
I am looking for that magic DnsLookup()
function. :-)
推荐答案
虽然JavaScript中没有标准的DNS功能,您可以随时调用第三方公共API
While there is no standard DNS functionality in JavaScript, you can always call a 3rd party public API that does DNS resolution.
例如, Encloud提供此类一个API ,你可以为它创建一个XMLHttpRequest:
For example, Encloud provides such an API, and you can make an XMLHttpRequest for it:
var oReq = new XMLHttpRequest();
oReq.onload = function () {
var response = JSON.parse(this.responseText);
alert(JSON.stringify(response.dns_entries));
}
oReq.open("get", "https://www.enclout.com/api/v1/dns/show.json?auth_token=rN4oqCyJz9v2RRNnQqkx&url=stackoverflow.com", true);
oReq.send();
当然,你应该得到你自己的认证令牌。免费加密帐户每分钟限制为6个请求。
Of course, you should get your own Auth token. Free Enclout accounts are limited to 6 request per minute.
如果您只想要IP,请为 http://api.konvert.me/forward-dns/yourdomain.com 。
If you just want the IP, make a GET request for http://api.konvert.me/forward-dns/yourdomain.com.
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