[Dnsmasq-discuss] try to setup RFC 2317 reverse DNS server
Simon Kelley
simon at thekelleys.org.uk
Fri Aug 16 15:40:40 BST 2019
On 15/08/2019 14:19, Yangfl wrote:
> Hi,
>
> I'm trying to setup my reverse DNS server which is sub-delegated from
> the upstream by RFC 2317. However, I can not type any prefix len for
> `--rev-server` other than 8, 16, 24, like
> `--rev-server=192.0.2.0/25,192.0.2.1`, and I don't know how to make
> the server reply PTR request for '1.0/25.2.0.192.in-addr.arpa'.
>
> I know I might just get a better DNS software instead, but I'm still
> wondering if such can be achieved using only dnsmasq. Since I'm also
> using dnsmasq for DHCP server and DHCP-configured hosts, it would be a
> pain to switch to other DNS servers.
>
There's no support in dnsmasq for this. Since rev-server is just
syntactic sugar for the server command, you could do it the long way,
but it's not pretty:
ie.
server=/0.2.0.192.in-addr.arpa/192.0.2.1
server=/1.2.0.192.in-addr.arpa/192.0.2.1
.
.
server=/7.2.0.192.in-addr.arpa/192.0.2.1
Simon.
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