From: Gustav - Railist <gustav@...>
Date: 2006-09-05T23:34:34+09:00
Subject: Re: how do i get a url's domain

Logan Capaldo wrote:
>
> 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.
>
Makes perfect sense,
does anyone know how to ask DNS for a url then?

Thanks
G

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