3 Čen
2026
3 Čen
'26
16:47
Hi,
while checking for differences I've found two other domains that don't
resolve while other recursors do:
$ dig +timeout=60 @100.1.2.3 geiger-fm.de. txt
; <<>> DiG 9.18.47-1~deb12u1-Debian <<>> +timeout=60 @100.1.2.3
geiger-fm.de. txt
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 18299
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; EDE: 22 (No Reachable Authority): (RRPF)
;; QUESTION SECTION:
;geiger-fm.de. IN TXT
;; Query time: 10044 msec
;; SERVER: 100.1.2.3#53(100.1.2.3) (UDP)
;; WHEN: Fri May 15 15:49:30 CEST 2026
;; MSG SIZE rcvd: 51
and
$ dig @100.1.2.3 Stadtwerke-Northeim.de txt
; <<>> DiG 9.18.47-1~deb12u1-Debian <<>> @100.1.2.3
Stadtwerke-Northeim.de txt
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 58169
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; EDE: 0 (Other): (OGHD: exceeded iteration count limit)
;; QUESTION SECTION:
;Stadtwerke-Northeim.de. IN TXT
;; Query time: 1160 msec
;; SERVER: 100.1.2.3#53(100.1.2.3) (UDP)
;; WHEN: Fri May 15 15:51:48 CEST 2026
;; MSG SIZE rcvd: 93
Both resolve with 1.1.1.1.
Matthias
On 5/6/26 09:26, Vladimír Čunát wrote:
Thank you :-)
On 04/05/2026 17.28, matthias+cznic--- via knot-resolver-users wrote:
I'm wondering what's wrong here and if
it's possible to mitigate that.
This is an interesting case. Incidentally I've been working on a large rewrite
which spans also code responsible for this failure. Fixing this case was easy
now, after that refactor. I hope to deliver it to releases soon, probably 5.x
as well - but if you're starting with Knot Resolver, I strongly recommend
skipping 5.x versions.
--Vladimir