Re: mwscdn.ru issue

Stephane Bortzmeyer via Pdns-users <[email protected]>
Newsgroups gmane.network.dns.powerdns.user
Organization NIC France
Message-ID <[email protected]>
On Mon, Dec 18, 2023 at 08:43:47AM +0100,
 Pieter Lexis via Pdns-users <[email protected]> wrote 
 a message of 41 lines which said:

> DNSViz [1] reports that the nameservers respond NXDomain for AAAA
> queries.

And also for any type for which they don't have data. (I tested with
CAA, because of the recent Let's Encrypt issue.)

% dig @ns1.mwscdn.ru. mwscdn.ru CAA

; <<>> DiG 9.18.18-0ubuntu0.22.04.1-Ubuntu <<>> @ns1.mwscdn.ru. mwscdn.ru CAA
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49980
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 0
;; QUESTION SECTION:
;mwscdn.ru.		IN CAA

;; AUTHORITY SECTION:
mwscdn.ru.		3600 IN	SOA ns1.mwscdn.ru. mwsdns.mts.ru. (
				2023110101 ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

;; Query time: 44 msec
;; SERVER: 185.242.16.16#53(ns1.mwscdn.ru.) (UDP)
;; WHEN: Mon Dec 18 16:05:43 CET 2023
;; MSG SIZE  rcvd: 109
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