From: Logan Capaldo <logancapaldo@...>
Date: 2006-09-05T23:16:04+09:00
Subject: Re: how do i get a url's domain


On Sep 5, 2006, at 10:02 AM, Gustav - Railist wrote:

> Hey!
>
> Can anybody tell me if there's a way to find what the domain of a  
> url is ?
> I was thinking somehow using Net::HTTP?
>
> e.g.
>
> del.icio.us => icio.us
> -or-
> mrboulder.blogspot.com => blogspot.com
>
> Thanks!
>
> Gustav
>

require 'uri'
uri = URI.parse( 'http://del.icio.us' )
puts uri.host

Unfortunately you can't get more fine grained than that without  
asking DNS. Why? Because ruby can't know all the top-level domains.