[Dnsmasq-discuss] Per domain Reverse DNS query configuration

salil GK gksalil at gmail.com
Mon Jul 6 15:58:00 BST 2020


Thanks for the response.
In my server we use LDAP with SASL. SASL will perform  reverse lookup
and make sure that from IP address we get the domain name back. How do
I handle this ?

Thanks
~S

On Mon, 6 Jul 2020 at 16:00, Matus UHLAR - fantomas <uhlar at fantomas.sk> wrote:
>
> On 06.07.20 09:47, salil GK wrote:
> >   I am new to dnsmasq list. I have my server configured with domain
> >specific dns resolution for the following entry.
> >
> >>>>
> ># daemon version Dnsmasq version 2.81  Copyright (c) 2000-2020 Simon Kelley
> >
> >server=/hello.com/10.116.21.86
> ><<<<
> >
> >
> >This works perfectly.
> >
> >But I get query for reverse dns resolution - fetch record based on IP
> >address. So if an IP address comes for exfy.com comes, resolution
> >fails because the query goes to default dns server and fails if it
> >doesn't find an entry.
> >How do I configure reverse dns query per domain ?
>
> since reverse lookups are mapping the IP address to domain names, and are in
> form of 86.21.116.10.in-addr.arpa, you can configure
>
> server=/86.21.116.10.in-addr.arpa/10.116.21.86
>
> but you can't configure revrese lookup per resolved domain name like
> "hello.com" above, because the domain name is not known at the time of
> lookup.
>
> --
> Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
> Warning: I wish NOT to receive e-mail advertising to this address.
> Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
> M$ Win's are shit, do not use it !
>
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