reverse-dns

Get the reverse domain name notation (or "reverse DNS") for a site.

Install

$ npm install --save reverse-dns

Usage

const reverseDns = require('reverse-dns');

reverseDns('https://foo.example.com');
//=> 'com.example.foo'

reverseDns('https://example.com');
//=> 'com.example.www'

reverseDns('https://example.com', {name: 'bar'});
//=> 'com.example.bar'

reverseDns('https://bar.example.com', {name: 'hello'});
//=> 'com.example.hello'

reverseDns('https://example.com', {glue: '-'});
//=> 'com-example-www'

API

reverseDns(input, [options])

input

Type: string

The website URL to parse.

options.glue

Type: string Default: .

The delimiter for joining domain segments.

options.name

Type: string Default: www

The "name" of the domain product. Defaults to the subdomain (or "www") if found. Setting this will overwrite the value obtained from the input's subdomain.

License

MIT © Luke Edwards