[Pdns-users] recursor - exclude single zone from forwarding

[Vitali Quiering]

Hello,

is it possible to exclude zones from forwarding?

In plain bind config you could just leave forwarders empty to overwrite the forwarders config for just one domain.

From my “recursor-beginners-point-of-view" something like this could work, but it obviously doesn’t.

forward-zones=.=8.8.8.8,example.com=,example.org=8.8.4.4

Unfortunately I can’t get no records from example.com <http://example.com/> zone.

> $ dig @ns01.domain.local example.net ns
> 
> ; <<>> DiG 9.15.0 <<>> @ns01.domain.local example.net ns
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30890
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;example.net.			IN	NS
> 
> ;; ANSWER SECTION:
> example.net.		4430	IN	NS	b.iana-servers.net.
> example.net.		4430	IN	NS	a.iana-servers.net.
> 
> ;; Query time: 24 msec
> ;; SERVER: 10.10.10.2#53(10.10.10.2)
> ;; WHEN: Mo Sep 30 15:11:49 CEST 2019
> ;; MSG SIZE  rcvd: 85

> $ dig @ns01.domain.local example.org ns
> 
> ; <<>> DiG 9.15.0 <<>> @ns01.domain.local example.org ns
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24688
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;example.org.			IN	NS
> 
> ;; ANSWER SECTION:
> example.org.		15027	IN	NS	b.iana-servers.net.
> example.org.		15027	IN	NS	a.iana-servers.net.
> 
> ;; Query time: 24 msec
> ;; SERVER: 10.10.10.2#53(10.10.10.2)
> ;; WHEN: Mo Sep 30 15:11:54 CEST 2019
> ;; MSG SIZE  rcvd: 88

> $ dig @ns01.domain.local example.com ns
> 
> ; <<>> DiG 9.15.0 <<>> @ns01.domain.local example.com ns
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33091
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;example.com.			IN	NS
> 
> ;; Query time: 24 msec
> ;; SERVER: 10.10.10.2#53(10.10.10.2)
> ;; WHEN: Mo Sep 30 15:11:56 CEST 2019
> ;; MSG SIZE  rcvd: 40

Regards,
Vitali
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