<html><head></head><body><div>Thank you for bringing this to our attention, Mark.</div><div><br></div><div><span><pre>-- <br></pre><span style="font-family: monospace;">Brian L. King (</span><a href="mailto:blk@godaddy.com" style="font-family: monospace;">blk@godaddy.com</a><span style="font-family: monospace;">)</span><br style="font-family: monospace;"><span style="font-family: monospace;">Senior Linux/DNS Systems Administrator</span><br style="font-family: monospace;"><span style="font-family: monospace;">Managed/Corporate DNS, Go Daddy</span><br style="font-family: monospace;"><span style="font-family: monospace;">:wq!</span></span></div><div><br></div><div>On Wed, 2017-07-12 at 07:48 +1000, Mark Andrews wrote:</div><blockquote type="cite"><pre>* QR not set in the response.
* Unknown EDNS flags not correctly ignored by the server.
This will bite us when we go to use EDNS(1) or a currently unused
EDNS flag bit.
Mark
% dig xn--e5h.com @ns75.domaincontrol.com +ednsflag=0x80 +dnssec +edns=1 +noednsneg +norec
;; Warning: query response not set
; <<>> DiG 9.12.0-pre-alpha+hotspot+add-prefetch+marka <<>> xn--e5h.com @ns75.domaincontrol.com +ednsflag=0x80 +dnssec +edns=1 +noednsneg +norec
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: BADVERS, id: 42402
;; flags:; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; MBZ: 0x0080, udp: 4096
;; QUESTION SECTION:
;xn--e5h.com. IN A
;; Query time: 418 msec
;; SERVER: 2607:f208:206::30#53(2607:f208:206::30)
;; WHEN: Wed Jul 12 07:34:21 AEST 2017
;; MSG SIZE rcvd: 40
%
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