Re: [DNSOP] the root is not special, everybody please stop obsessing over it

Bob Harold <rharolde@umich.edu> Fri, 15 February 2019 14:29 UTC

Return-Path: <rharolde@umich.edu>
X-Original-To: dnsop@ietfa.amsl.com
Delivered-To: dnsop@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 13B9A130FC1 for <dnsop@ietfa.amsl.com>; Fri, 15 Feb 2019 06:29:46 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.999
X-Spam-Level:
X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=umich.edu
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id d_eT-uttXA9c for <dnsop@ietfa.amsl.com>; Fri, 15 Feb 2019 06:29:43 -0800 (PST)
Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 08741124D68 for <dnsop@ietf.org>; Fri, 15 Feb 2019 06:29:42 -0800 (PST)
Received: by mail-lj1-x243.google.com with SMTP id j19so7749183ljg.5 for <dnsop@ietf.org>; Fri, 15 Feb 2019 06:29:42 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=umich.edu; s=google-2016-06-03; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=OUTaj7tNNm1QqlFzqcTbCyuPfMlpA3OPK/xBhmU0T0k=; b=fZI63oN1YrGJxjGlSSoG3ke1S6b/klLh2NuwsgfA8y8FThEi5MguyOZ+ewyMROv7wL jUnbbXsaPJsSsAXVF4M/1dVKsKMom1mXucmVUSRyUBqlMqqgSMHP8WFAqbQ+lD7/NpUV D9gd76BGU66PLMFN7iJVVt06dAxMKYrsVUGfoqoTd7J+x17QspsYu0Breg533S24sJBa aPFFbsJlMzszlnshUkmoMvXCDBJzIpiRsNS5AKK7CvmeHn/urldc0W26oJ6qDyebBh2p Pdod3ZNaAoamv2qqsrF40d078/H0spkh0zy25j0K2M31xGtS+14yEwIJCgg+vCawrlAZ 7eGg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=OUTaj7tNNm1QqlFzqcTbCyuPfMlpA3OPK/xBhmU0T0k=; b=WfX3ieSaMV/+9oNS71HvHCubX9ZojGInAGRhuUymktjKWX6bgVWYCI9Tzytj6fVqW0 GCX6z0LDIybR0/7MiqW/LznYtDvMdcv1kqJW9qP+wF4Eq8EZpMDg4xLdoRGjZoeSujhr 0JrSmyc1FRDu37QgNDqs+IY7bC+oT4bmHn+hEuLaOf49ngUqvvTb7a7YuSXYydD88eh6 MXYOhN2V4OiRE62Q6hphNuIhWNfWfvUvBwRbjmPbwcC0uG8NV0CkZwu38sLvvryYwyXC UyTF2Jk9mxZ5U04LRxT81VDxIHzvIU0/MFvBudqQVcXJNVz6UCdsGSW36EYIBMbgVXQy fdRg==
X-Gm-Message-State: AHQUAubI3V7vKdcwuKAxF8y6HIzldkoQmOXdlJ6P1L+aYQGBBEVhKoxM GtVXCOabQyD8px+R1NWVp89Y2yzbpT9cmYC24qiVBA==
X-Google-Smtp-Source: AHgI3IZczLXHkjGix7PTaiDAsk0EnmOv84tTVlDlFtBsi8GAGXp5IGW3STqNWbscgM6vJXds79nhn083pZfJStUbihM=
X-Received: by 2002:a2e:8795:: with SMTP id n21-v6mr6400380lji.109.1550240980751; Fri, 15 Feb 2019 06:29:40 -0800 (PST)
MIME-Version: 1.0
References: <b45edb5e-1508-0b02-a14c-a5be4ca9c0e6@redbarn.org> <20190215095936.qnxuucn6oezj7tsx@nic.fr>
In-Reply-To: <20190215095936.qnxuucn6oezj7tsx@nic.fr>
From: Bob Harold <rharolde@umich.edu>
Date: Fri, 15 Feb 2019 09:29:29 -0500
Message-ID: <CA+nkc8BcuaGC4TKUzY429Hh2=dZk2dA48=P2ecjwvhV466hT4Q@mail.gmail.com>
To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
Cc: Paul Vixie <paul@redbarn.org>, IETF DNSOP WG <dnsop@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000f97c680581ef9a21"
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/r_W4Qfy-QnuBBvuIBQfzW0ODX9M>
Subject: Re: [DNSOP] the root is not special, everybody please stop obsessing over it
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsop/>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 15 Feb 2019 14:29:46 -0000

On Fri, Feb 15, 2019 at 4:59 AM Stephane Bortzmeyer <bortzmeyer@nic.fr>
wrote:

> On Thu, Feb 14, 2019 at 01:57:14PM -0800,
>  Paul Vixie <paul@redbarn.org> wrote
>  a message of 42 lines which said:
>
> > the fact that i have to hotwire my RDNS cache with local zone glue
> > in order to reach my own servers when my comcast circuit is down or
> > i can't currently reach the .SU authorities to learn where VIX.SU
> > is, should not only concern, but also embarrass, all of us.
>
> I agree that this is an issue (as you said, the simple case of "my own
> zone" is easily solved by stub and/or forward zones in BIND) but any
> solution must take care of phantom domains. If I register
> malware-c-and-c-as-a-service.com and it's taken down, the solution
> should not make this domain to work after. (Except of course for
> resolvers who decided to configure a stub zone for this domain.)
>

I think in most solutions, if the name servers for "
malware-c-and-c-as-a-service.com" and "com" are both unreachable, the
domain should continue to resolve.  But if "com" is reachable, and says "
malware-c-and-c-as-a-service.com" no longer exists, it should go away.

-- 
Bob Harold