Authoritative servers:
A direct query to a BIND-9.12.3-P1 authoritative server for "mydomain.net":
$ dig +norec -4 @ns3.example.com www.mydomain.net
; <<>> DiG 9.11.3-1ubuntu1.3-Ubuntu <<>> +norec -4 @ns3.example.com
www.mydomain.net
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36984
;; flags: qr aa; QUERY: 1, ANSWER: 2, AUTHORITY: 3, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 847bc109e7f71243dd664e215c3ec4c412619cff362fd7fc (good)
;; QUESTION SECTION:
;www.mydomain.net. IN A
;; ANSWER SECTION:
www.mydomain.net. 3600 IN A 44.44.44.44
;; AUTHORITY SECTION:
mydomain.net. 3600 IN NS ns3.example.com.
mydomain.net. 3600 IN NS ns2.example.com.
mydomain.net. 3600 IN NS ns1.example.com.
The same direct query here to a BIND-9.11.x authoritative server (also a
slave like the BIND-9.12.3-P1) for "mydomain.net":
$ dig +norec -4 @ns1.example.com www.mydomain.net
; <<>> DiG 9.11.3-1ubuntu1.3-Ubuntu <<>> +norec -4 @ns1.example.com
www.mydomain.net
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24450
;; flags: qr aa; QUERY: 1, ANSWER: 2, AUTHORITY: 3, ADDITIONAL: 7
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 975a61dc07fe107fc5acdc2d5c3ec54df206b954894a2c4f (good)
;; QUESTION SECTION:
;www.mydomain.net. IN A
;; ANSWER SECTION:
www.mydomain.net. 3600 IN A 44.44.44.44
;; AUTHORITY SECTION:
mydomain.net. 3600 IN NS ns2.example.com.
mydomain.net. 3600 IN NS ns1.example.com.
mydomain.net. 3600 IN NS ns3.example.com.
;; ADDITIONAL SECTION:
ns1.example.com. 7200 IN A 1.1.1.1
ns2.example.com. 7200 IN A 2.2.2.2
ns3.example.com. 7200 IN A 3.3.3.3
ns1.example.com. 7200 IN AAAA 2001:db8::1
ns2.example.com. 7200 IN AAAA 2001:db8::2
ns3.example.com. 7200 IN AAAA 2001:db8::3
In both authoritative configurations I've set "minimal-responses no;",
but on 9.12.3-P1, no additional section comes back.
Thank you.
Kind regards,
Tom
On 15.01.19 19:15, Evan Hunt wrote:
On Tue, Jan 15, 2019 at 02:40:51PM +0100, Tom wrote:
After migrating from 9.11.x to 9.12.3-P1, I recognized, that BIND is
giving no "additional sections" back, although "minimal-responses" is
set to "no". I think this is correct and does not affect the
authoritative behavior. But I don't understand, why this happens when
"minimal-responses no;" is configured.
Authoritative or recursive? Can you give a specific example
of a query that isn't getting an additional section and should?
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