Get the domain name of the subdomain Javascript

dns, javascript, jquery, subdomain

Solution

var parts = location.hostname.split('.');
var subdomain = parts.shift();
var upperleveldomain = parts.join('.');

To get only the second-level-domain, you might use

var parts = location.hostname.split('.');
var sndleveldomain = parts.slice(-2).join('.');

Problem

How i can get the domain name `example.com` from the set of possible subdomains `sub1.example.com` `sub2.example.com` `sub3.example.com` using javascript ...?

Original source

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