[Samba] which DNS backend ?

[Reindl Harald]

Am 29.02.2016 um 11:28 schrieb Rowland penny:
> On 29/02/16 09:42, Reindl Harald wrote:
>>
>>
>> Am 29.02.2016 um 10:10 schrieb Rowland penny:
>>> Everything you say is valid except for when it comes to AD dns.
>>> When you want data from a zone, you start with the SOA record, you ask
>>> 'who holds the records for this zone?', it replies with the nameserver
>>> that holds the zone records. OK so far ?
>>>
>>> Only problem is that with AD, *every* DC that runs a dns server holds
>>> the zone records. Now if you have only one NS record in the SOA (or if
>>> only one NS record is returned, like the internal dns server does), then
>>> only one DC will be asked for the zone records, if this DC is down, you
>>> don't have a nameserver to ask!
>>
>> than its a bug in the internal dns server only return one NS record
>
> Totally agree
>
>>
>>> Every windows DC that runs a dns server is authoritative for the dns
>>> domain and has a SOA record. The only way I have found of doing this
>>> with a Samba DC, is to use Bind9 and add the second DCs NS record to the
>>> SOA, this SOA is stored in AD
>>
>> how would a SOA record look like with two NS records?
>>
>
> There was a thread dealing with this in December, see here for what I
> posted then:
>
> https://lists.samba.org/archive/samba/2015-December/196367.html

i just want to see how a "dig SOA example.lan." would look like to 
contain two nameservers, that below form the thread is as always a SOA 
containing one origin

example.lan
      origin = testdc1.example.lan
      mail addr = hostmaster.example.lan
      serial = 3
      refresh = 900
      retry = 600
      expire = 86400
      minimum = 3600

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