[Samba] which DNS backend ?

Rowland penny rpenny at samba.org
Tue Mar 1 14:17:40 UTC 2016

On 01/03/16 14:07, Reindl Harald wrote:
> Am 01.03.2016 um 14:50 schrieb Rowland penny:
>> On 01/03/16 13:23, Reindl Harald wrote:
>>> Am 01.03.2016 um 11:23 schrieb mathias dufresne:
>>>> Several SOA is easy to design without breaking RFC: as every DNS 
>>>> server
>>>> in AD is able to modify the zone, every DNS server in AD is SOA. As 
>>>> any
>>>> DNS server is SOA and only one SOA can be returned, these DNS server
>>>> must reply "I am SOA".
>>>> 10 DC running a DNS server.
>>>> One client asking to DC07 for SOA.
>>>> DC07 replies "SOA is DC07".
>>>> One client asking to DC02 for SOA.
>>>> DC02 replies "SOA is DC02".
>>> yes, but that's not a SOA containing two nameservers - period
>>> nothing else is what i criticized because the term is wrong
>> OK, lets use 'nslookup' to get the SOA record from my netbook:
>> This shows that 'dc1.samdom.example.com' is authoritative for the 
>> domain.
>> Lets change the server that 'nslookup' uses:
>> Different server, different Authoritative server, *BUT* there is only
>> one SOA record in AD
>> Does that convince you ???
> there is nothing to convince
> we are talking about different things
> i spoke only with my DNS admin hat on
> that's it

Well, we are getting somewhere, not sure where though :-)

Normal dns is 99% similar to AD dns, the only difference that I can see, 
is that you can have a SOA record that has multiple authoritative 
servers, but only one at once.


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