On Wed, Nov 29, 2017 at 01:14:13PM +1100, Mark Andrews wrote: > When the CNAME refers to a name that is out of zone and the target zone is > below > a zone that the server serves you will have CNAME (DNAME) + referral. > > 4.3.2 loops.
This part I got. > pass 1 -> 3a (adds CNAME, AA is set as it matches the question > section, QNAME is updated). This is the CNAME response, yes, ok. > pass 2 -> 3b (we have a partial match with a bottom of zone cut which > adds the referral). > Right, and the authoritative server can't proceed, but the referral is necessary. Good, this is helpful, thanks. This also means, of course, that in such a response the answer section isn't empty. Is this why you call it a "partial referral"? Best regards, A > > On 29 Nov 2017, at 1:03 pm, Andrew Sullivan <[email protected]> wrote: > > > > Hi Mark, > > > > On Wed, Nov 29, 2017 at 12:57:26PM +1100, Mark Andrews wrote: > >> You can answer only responses, you can have referral only responses, > >> you can partial answer + referral responses. > > > > Where in the algorithm in section 4.3.2 of 1034 (or other, derived > > cases like DNAME) is this "partial answer + referral responses" > > described? If this is well-defined somewhere, I want to refer to it. > > If it is not, I wish to describe it clearly, because it seems pretty > > obvious given the amount of discussion we've had on this topic that > > the notion of referral is nowhere near as clear as people seem to > > think it is. I'm not sure I understand your cryptic remark above, but > > I am certain I can't make it more comprehensible to others without > > you telling me that I'm wrong and need to do it over. So I'm > > appealing to you to try to make your view as clear as possible. > > > > Best regards, > > > > A > > > -- Andrew Sullivan [email protected] _______________________________________________ DNSOP mailing list [email protected] https://www.ietf.org/mailman/listinfo/dnsop
