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Re: [DNSOP] status of the aname and svcb/httpsvc drafts

Vladimír Čunát <vladimir.cunat+ietf@nic.cz> Thu, 27 February 2020 10:01 UTC

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To: Lanlan Pan <abbypan@gmail.com>
Cc: dnsop@ietf.org
References: <b34f1b0d-fa65-23d4-1b2b-761b965a2aae@knipp.de> <CAG8jCEzO7zrfL5G5CzdJ=c5wipJgqqHfyeA-a3-QjquoyPYgvg@mail.gmail.com> <3ead518d-f166-1c36-c3e9-18aeb355d160@pletterpet.nl> <20200220221517.GA16177@isc.org> <alpine.DEB.2.20.2002222349530.27562@grey.csi.cam.ac.uk> <CAH1iCiq+rOxs9c8zoJhAWbB6-0SP_WC5onF-DrbekwX=8iR49Q@mail.gmail.com> <CA+nkc8Coe8D1ECfrRwRUnzJ3azyJfXXUq3HMy63AL-4SOvmaaw@mail.gmail.com> <OF4062C1E9.B42128F1-ON86258519.006893C9-86258519.00690F29@prominic.net> <f5f17c26-e673-119e-e7aa-bc88f8ef46a3@nic.cz> <alpine.DEB.2.20.2002261657540.27562@grey.csi.cam.ac.uk> <CANLjSvWsy1Eeh+eBqe9x6LDaLnwZBvdTuQH-LKJNT88uO0p7Cw@mail.gmail.com> <CAKC-DJg46RraMuhXpPDXwM6WD65bAO7PFTA0wai1XdSEB6ZR-A@mail.gmail.com> <CANLjSvWOSx4G-1cKcc1aNMhNoC67byZQxzzgDLckvFisCU6rFw@mail.gmail.com>
From: Vladimír Čunát <vladimir.cunat+ietf@nic.cz>
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Date: Thu, 27 Feb 2020 11:00:30 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/P7HD3g4KikXAY2Rwz9e0E8rWhnA>
Subject: Re: [DNSOP] status of the aname and svcb/httpsvc drafts
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On 2/27/20 4:51 AM, Lanlan Pan wrote:
> [...]
> Just configure ANAME in the zonefile,  authortitative return response
> is CNAME, no ANAME.
> If enable DNSSEC, this will cause some dynamic signature
> calculation（ECDSA will be better).

I would (generally) NOT recommend sending CNAME in answer in case of a
zone apex.  From my point of view, one of the main reasons for all the
ANAME variants is that *this* is causing problems, although it kind-of
works in many cases.

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