On Jun 21, 2016, at 1:34 PM, Tim Wicinski <tjw.i...@gmail.com> wrote:
> 
> 
> All
> 
> The WGLC last call ended on this awhile ago, and the authors addressed all 
> the comments that were raised during the WGLC process.
> 
> I want to thank everyone for their work on this.  We'll be moving this one 
> along very shortly.
> 
> tim
> 
> 
> On 5/26/16 8:53 AM, Tim Wicinski wrote:
>> There has been some good discussion from the working group on the list,
>> and with the recent discussion on root server tar pitting, it makes
>> sense to move this document along.
>> 
>> This starts a Working Group Last Call for draft-ietf-dnsop-nxdomain-cut
>> 
>> Current versions of the draft is available here:
>> 
>> https://datatracker.ietf.org/doc/draft-ietf-dnsop-nxdomain-cut/
>> 
>> This is a Standards Track document.
>> 
>> Please review the draft and offer relevant comments. Also, if someone
>> feels the document is *not* ready for publication, please speak out with
>> your reasons.
>> 
>> This starts a two week Working Group Last Call process, and ends at
>> midnight 10 June 2016.
>> 
>> thanks
>> tim

Sorry I’m late to the party, and hopefully I’m misunderstanding, but…. using 
tinydns as an authoritative server:

bsomers@dev194:~$ dig dev194.sjc.opendns.com @auth1.opendns.com

; <<>> DiG 9.9.5-3ubuntu0.8-Ubuntu <<>> dev194.sjc.opendns.com 
@auth1.opendns.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5740
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 5
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;dev194.sjc.opendns.com.                IN      A

;; ANSWER SECTION:
dev194.sjc.opendns.com. 3600    IN      A       67.215.93.64

;; AUTHORITY SECTION:
opendns.com.            604800  IN      NS      auth1.opendns.com.
opendns.com.            604800  IN      NS      auth2.opendns.com.
opendns.com.            604800  IN      NS      auth3.opendns.com.

;; ADDITIONAL SECTION:
auth1.opendns.com.      172800  IN      AAAA    2620:119:30::53
auth1.opendns.com.      172800  IN      A       208.69.39.2
auth2.opendns.com.      172800  IN      AAAA    2a04:e4c0:53::53
auth2.opendns.com.      172800  IN      A       146.112.60.53
auth3.opendns.com.      172800  IN      A       208.69.39.2

;; Query time: 9 msec
;; SERVER: 2620:119:30::53#53(2620:119:30::53)
;; WHEN: Tue Jun 21 22:56:28 UTC 2016
;; MSG SIZE  rcvd: 220

bsomers@dev194:~$ dig sjc.opendns.com @auth1.opendns.com

; <<>> DiG 9.9.5-3ubuntu0.8-Ubuntu <<>> sjc.opendns.com @auth1.opendns.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53475
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;sjc.opendns.com.               IN      A

;; AUTHORITY SECTION:
opendns.com.            86400   IN      SOA     auth1.opendns.com. 
noc.opendns.com. 1466546759 16384 2048 1048576 2560

;; Query time: 5 msec
;; SERVER: 2620:119:30::53#53(2620:119:30::53)
;; WHEN: Tue Jun 21 22:56:41 UTC 2016
;; MSG SIZE  rcvd: 79

If we want to say somethings recursively non-existent, don’t we need an 
RNXDOMAIN rcode?

—
Brian


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