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Re: [DNSOP] Working Group Last Call draft-ietf-dnsop-refuse-any

Stephane Bortzmeyer <bortzmeyer@nic.fr> Wed, 04 January 2017 17:13 UTC

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Date: Wed, 04 Jan 2017 18:11:12 +0100
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: dnsop@ietf.org
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Subject: Re: [DNSOP] Working Group Last Call draft-ietf-dnsop-refuse-any
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On Fri, Nov 25, 2016 at 07:50:48PM -0500,
 tjw ietf <tjw.ietf@gmail.com> wrote 
 a message of 114 lines which said:

> This starts a Working Group Last Call for
> draft-ietf-dnsop-refuse-any

Since we'll apparently have one more iteration of the draft, one small
detail. The draft says:

> The HINFO RRTYPE is believed to be rarely used in the DNS at the
> time of writing, based on observations made both at recursive
> servers and authority servers.

If you have access to a passive DNS database, you can check by
yourself. Indeed, the vast majority of HINFO comes from Cloudflare
domains. In .fr (3 million domains), DNSDB found only 54
non-Cloudflare HINFO. My favorites are (a former employer):

iiel.iie.cnam.fr. IN HINFO "VS3100" "VMS-6.2"
wotan.iie.cnam.fr. IN HINFO "AlphaServer-1000" "OSF"

I strongly doubt there is really a VaxStation 3100 still in operation
:-)

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