bugtraq - Re: Again: zone transfers, a spammer's dream?

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Date: Wed, 29 Dec 2004 19:49:46 +0100
From: Jorrit Kronjee <full-disclosure@...pam.wafel.org>
To: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com
Subject: Re: Again: zone transfers, a spammer's dream?

Ralf Glauberman wrote:
> Hello all,
> after Lode Vermeiren having published on the 7th of December that many
> tlds are transferable I did further research on this. Much to my
> surprise this wasn't just a problem of little states. i did a complete
> scan on all tlds (http://data.iana.org/TLD/tlds-alpha-by-domain.txt)
> including every soa and ns server. i got results from 141 out of the
> 258 checked tlds. i din't check every single output, but there are not
> more than 10 false-positives within these. while the ca zone is secure
> now, i was really surprised that be (~ 42 MB, ~ 900.000 records) and
> fi (~ 11 MB, ~ 235.000 records) are transferable.
> all in all, i found that the following tlds are transferable (also
> there might be some false-positives):

arpa being one of those false positives (it's hardly exploitable by 
spammers anyway).

Although only a few nameservers of the tld allow zone transfers - and 
you really have to look for them - it really amazes me that these 
nameservers aren't properly configured.

I'm just glad I don't live in any of these countries.

Jorrit

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