[Freeipa-users] IPA and DNS reverse subnets

[lejeczek]

On 30/01/17 18:28, Tomasz Torcz wrote:
> On Mon, Jan 30, 2017 at 06:01:03PM +0000, lejeczek wrote:
>> hi everybody
>>
>> I'm having trouble trying to figure out, or in other words make this to
>> work:
>>
>> I'm setting up a domain in a subnet like this: 10.5.10.48/28 but not sure it
>> I got it right.
>> Host reverse resoling does not seem to right. I have:
>>
>>
>>    Zone name: 28/48.10.5.10.in-addr.arpa.   <= this here is like non-usual, I
>> understand it's how such a reverse subnet should be defined, but not 100%
>> sure.
>    Here you got it wrong.  IPv4 reverses are split at octet boundary, you
> cannot have greater granularity.  And for sure you cannot mix CIDR addressing (/28)
> and netblock type.  On top of that, “/” is not correct character in DNS.

how about this - 
http://www.zytrax.com/books/dns/ch9/reverse.html - would 
this not work?

>
>     Your reverse zone is 10.5.10.in-addr.arpa.
>
> (IPv6 reverses are split at nibble boundary, FWIW).
>