Hi Stefan,
Maybe I'm overlooking something, but do you have the dynamic.estada.ch zone
configured?
Cannot you simply remove `dynamic.estada.ch. NS dynamic.estada.ch.` delegation?
Daniel
On 6/5/26 17:53, Stefan Estada wrote:
Hi all
I am having trouble forwarding a subdomain since I upgraded to the latest knot.
For a couple of years I have been running a custom DNS server under dynamic.estada.ch
<http://dynamic.estada.ch> that the clients find via my regular infrastructure.
On my primary zone I have these records, but knot appears to answer weirdly:
*estada.ch.zone*
dynamic.estada.ch <http://dynamic.estada.ch>. 3600 A 185.194.239.135
dynamic.estada.ch <http://dynamic.estada.ch>. 3600 AAAA 2a0a:51c0::12b
dynamic.estada.ch <http://dynamic.estada.ch>. 3600 NS dynamic.estada.ch
<http://dynamic.estada.ch>.
kdig AAAA dynamic.estada.ch <http://dynamic.estada.ch> @ns1.estada.ch
<http://ns1.estada.ch>
;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 29173
;; Flags: qr rd; QUERY: 1; ANSWER: 0; AUTHORITY: 1; ADDITIONAL: 3
;; EDNS PSEUDOSECTION:
;; Version: 0; flags: ; UDP size: 1232 B; ext-rcode: NOERROR
;; QUESTION SECTION:
;; dynamic.estada.ch <http://dynamic.estada.ch>. INAAAA
;; AUTHORITY SECTION:
dynamic.estada.ch <http://dynamic.estada.ch>. 3600INNSdynamic.estada.ch
<http://dynamic.estada.ch>.
;; ADDITIONAL SECTION:
dynamic.estada.ch <http://dynamic.estada.ch>. 3600INA185.194.239.135
dynamic.estada.ch <http://dynamic.estada.ch>. 3600INAAAA2a0a:51c0::12b
But public servers don't get the glue records:
kdig AAAA dynamic.estada.ch <http://dynamic.estada.ch> @9.9.9.9
<http://9.9.9.9>
;; ->>HEADER<<- opcode: QUERY; status: SERVFAIL; id: 63899
;; Flags: qr rd ra; QUERY: 1; ANSWER: 0; AUTHORITY: 0; ADDITIONAL: 1
;; EDNS PSEUDOSECTION:
;; Version: 0; flags: ; UDP size: 1232 B; ext-rcode: NOERROR
;; QUESTION SECTION:
;; dynamic.estada.ch <http://dynamic.estada.ch>. INAAAA
The trouble is that most resolvers are now unable to resolve the domain as the AAAA and A
queries still get answered with NS + additional A+AAAA.
Is there a configuration option to tell knot to actually respond with the A or AAAA
record when asked?
Also ANY, TXT, or CAA queries behave the same as NS queries:
kdig ANY dynamic.estada.ch <http://dynamic.estada.ch> @ns1.estada.ch
<http://ns1.estada.ch>
;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 14419
;; Flags: qr rd; QUERY: 1; ANSWER: 0; AUTHORITY: 1; ADDITIONAL: 3
;; EDNS PSEUDOSECTION:
;; Version: 0; flags: ; UDP size: 1232 B; ext-rcode: NOERROR
;; QUESTION SECTION:
;; dynamic.estada.ch <http://dynamic.estada.ch>. INANY
;; AUTHORITY SECTION:
dynamic.estada.ch <http://dynamic.estada.ch>. 3600INNSdynamic.estada.ch
<http://dynamic.estada.ch>.
;; ADDITIONAL SECTION:
dynamic.estada.ch <http://dynamic.estada.ch>. 3600INA185.194.239.135
dynamic.estada.ch <http://dynamic.estada.ch>. 3600INAAAA2a0a:51c0::12b
I am happy for any pointers you may have.
Cheers,
Stefan
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