Hello Philip
On Thursday 20 November 2025 06:07:39 PM (+01:00), Philip Prindeville via
bind-users wrote:
> Hi,
>
> I’m on a US residential ISP, and they don’t support IPv6. As a result, I’ve
> disabled it locally as well with `options { listen-on-ipv6 { none; }; };`.
> Well, there are more options than that, but that’s the relevant one.
>
> If I run with `-4` then the noise goes away.
>
> I was wondering if:
>
> (1) that `listen-on-ipv6 { none;}` should imply `-4` (the simplest) or
"listen-on-ipv6" only applies to incoming DNS traffic, but not the outgoing DNS
traffic. It is a valid configuration to have a DNS resolver or authoritative
DNS server to listen only on IPv4 but have it use IPv6 for queries towards
other DNS servers.
>
> (2) that there’s an easy way to parse and dump the options so my startup
> script can see if this option is set or not, and if it, add `-4` to the
> arguments it uses to start up named.
The command
named-checkconf -p
prints the content of "named.conf" and all included files in canonical form.
That for can be parsed.
Greetings
Carsten--
strotmann.de
--
Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from
this list.
