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Re: [Full-disclosure] Re: www.whois.sc (Florian Weimer)
From: Florian Weimer (fwdeneb.enyo.de)
Date: Wed Jun 15 2005 - 11:25:04 CDT
* mike bailey:
> Florian Weimer Said:
No, I didn't. Please use correct attribution lines.
> I know the website http://whois.webhosting.info also offers this
> feature. I've come to the conclusion that they just spider the web
> for domain names, obtain a dns record, and then store the result in
> a database. whois.webhost.info also offers the ability to check what
> company owns that ip block. Which is probably just returned from
> whois.arin.net . But it may also take reverse dns replies into
I don't think they do something like that. For example,
http://whois.webhosting.info/126.96.36.199 is empty, although there
are quite few pravda.ru domains are hosted on that IP address, and the
PTR record provides a useful hint.
It's more likely they use the publicly available zone files for .info,
.biz, .org and .com/.net.
By the way, is there a public document describing the zone file access
program for .us? I've been told they offer something similar, but
can't find any details on the registry web site.
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