On Sun 31/Jul/2022 17:05:07 +0200 Barry Leiba wrote:
The point is that "zone cut" and "organizational domain" aren't the
same thing, and what DMARC cares about is the latter.
But here we're just talking about our own understanding of the
terminology. Ale, if you use "organizational domain" instead of "zone
cut", do you still think there's an issue that isn't correctly covered
by the current algorithm?
I didn't use zone cut /instead of/ organizational domain. The
paragraph I wrote was meant to introduce readers to the network
topology onto which organizational domains are defined, so as to
justify the algorithm. Perhaps I should've written:
In general, it is not possible to determine the relationship
between DNS zone cuts and change of management by querying
various domains. However, DMARC users define DMARC records
at their Organizational Domain, so it is possible to discover
them based on that.
(Thanks John for the correction).
The above would've been the intro for an algorithmic definition of
Organizational Domain that is independent of alignment determination.
It was just an idea. I like better free standing definitions, but
I'm fine with mixing alignment and org domain determinations if the WG
likes that better.
Best
Ale
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