I think the issue here is that people who work directly with DNS operations have a specific meaning of "zone cut" that differs from what others think of as zone cuts. Let's try to avoid using that term, and instead be clear about what we mean. Ale, if you disagree with John, be clear about what you disagree with, without using the term "zone cut".
Barry On Wed, Mar 1, 2023 at 9:35 AM John Levine <jo...@taugh.com> wrote: > > It appears that Alessandro Vesely <ves...@tana.it> said: > > > >What are subdomains being used for? > > > >Is that more often done for email reasons (MX) or for something else? > > > >What changes when there is a zone cut (delegation) rather than having > >sub-subdomains all in the same zone? > > In case it's not clear, the answer is NOTHING AT ALL CHANGES. > > DMARC does not look at zone cuts. It has never looked at zone cuts. If > I have anything to say about it, it will never look at zone cuts. > > Some people believe that a zone cut indicates a change of control. > They are wrong. Sometimes different people are in charge when there is > a zone cut, sometimes not, sometimes DNS records managed by different > people are in a single zone, managed in some way you can't tell by > doing DNS queries. > > R's, > John > > _______________________________________________ > dmarc mailing list > dmarc@ietf.org > https://www.ietf.org/mailman/listinfo/dmarc _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc
