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Re: [DNSOP] Adoption of new EDNS opcode "rrserial"

Tony Finch <dot@dotat.at> Mon, 10 May 2021 21:09 UTC

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Date: Mon, 10 May 2021 22:09:49 +0100
From: Tony Finch <dot@dotat.at>
To: Peter van Dijk <peter.van.dijk@powerdns.com>
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Subject: Re: [DNSOP] Adoption of new EDNS opcode "rrserial"
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Peter van Dijk <peter.van.dijk@powerdns.com> wrote:
>
> Also in section 3.2, I do not think responding with the option should
> be limited to NOERROR. Specifically, I'd very much also want it to work
> for NXDOMAIN,

Isn't the SOA record usually present in a negative response?

> and I can imagine some cases of it being useful even in SERVFAIL cases
> (at least in database-driven name servers like PowerDNS, where
> individual records inside a zone can be broken).

Perhaps also in cases where the server has a copy of zone serial number
NNN but it has expired.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  https://dotat.at/
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