Re: [dmarc-ietf] Treewalk not causing changes

2023-03-01 Thread Barry Leiba
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 y

Re: [dmarc-ietf] Treewalk not causing changes

2023-03-01 Thread John Levine
It appears that Alessandro Vesely 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 ans

Re: [dmarc-ietf] Treewalk causing changes

2023-03-01 Thread Scott Kitterman
On March 1, 2023 3:08:16 PM UTC, Jesse Thompson wrote: >On 3/1/2023 6:12 AM, Douglas Foster wrote: > >> A sub-issue to consider:   Should we do a Tree Walk on the authenticating >> domain? >> For example, assume that "virgina.gov " and >> "dmas.virginia.gov

Re: [dmarc-ietf] Treewalk causing changes

2023-03-01 Thread Jesse Thompson
On 3/1/2023 6:12 AM, Douglas Foster wrote: > A sub-issue to consider:   Should we do a Tree Walk on the authenticating > domain? > For example, assume that "virgina.gov " and > "dmas.virginia.gov " both have DMARC policies with > relaxed alignment. 

Re: [dmarc-ietf] Treewalk causing changes

2023-03-01 Thread Douglas Foster
Mark and Laura's perspective solves my objections. We propose a deliberate change to use the bottom-most policy because we believe it better meets the needs of large organizations, of which regional governments are a good example. A supporting benefit is that we eliminate the possibility of false

Re: [dmarc-ietf] Treewalk causing changes

2023-03-01 Thread Alessandro Vesely
On Wed 01/Mar/2023 02:33:14 +0100 Murray S. Kucherawy wrote: On Tue, Feb 28, 2023 at 5:13 PM Mark Alley wrote: It does vary widely, agreed; I believe knowing how the behavior changes can affect existing implementation and common usage scenarios may be useful for at least consideration of its

Re: [dmarc-ietf] Treewalk causing changes

2023-03-01 Thread Alessandro Vesely
On Wed 01/Mar/2023 11:12:06 +0100 Laura Atkins wrote: On 1 Mar 2023, at 09:07, Alessandro Vesely wrote: However, in that case both zones are under the same master server: cuny.edu. 2801IN SOA acme.ucc.cuny.edu. hostmaster.acme.ucc.cuny.edu. 2019022032 3600 1800 24

Re: [dmarc-ietf] Treewalk causing changes

2023-03-01 Thread Laura Atkins
> On 1 Mar 2023, at 09:07, Alessandro Vesely wrote: > > Thanks to you and Mark! > > > On Tue 28/Feb/2023 19:00:22 +0100 Laura Atkins wrote: >>> On 28 Feb 2023, at 17:51, Alessandro Vesely wrote: >>> What changes when there is a zone cut (delegation) rather than having >>> sub-subdomains all

Re: [dmarc-ietf] Treewalk causing changes

2023-03-01 Thread Alessandro Vesely
Thanks to you and Mark! On Tue 28/Feb/2023 19:00:22 +0100 Laura Atkins wrote: On 28 Feb 2023, at 17:51, Alessandro Vesely wrote: What changes when there is a zone cut (delegation) rather than having sub-subdomains all in the same zone?  Controlling inheritance obviously has different taste