[nsd-users] Hi! Im trying to set forward and reverse on an internal ip with nsd/unbound.

nsd-users at starka.st nsd-users at starka.st
Tue Aug 5 17:04:35 UTC 2025


On 2025-08-04 12:47, Manuel Stausberg via nsd-users wrote:
> Hi,
> 
> I am not sure I understand what you are trying to do, and I know 
> basically nothing about configuring mailservers, so take everything I 
> say with a grain of salt...
> 
> Correct me if I'm wrong, but it looks like you are trying to set up 
> reverse pointers for addresses in the 192.168.0.0/16 address space, 
> which (apart from local testing of course) does not make a lot of sense 
> from my point of view.
> 
> This address block is reserved for private use, and the corresponding 
> name space in the DNS (168.192.in-addr.arpa.) is controlled by IANA.
> 
> So, you can of course create a zonefile with reverse pointers, it's just 
> that no resolver will ask _your_ nameservers, they will ask IANA's 
> nameservers.
> 
> Looking at the discussion, it feels a bit like we are dealing with a X/Y 
> Problem (see xyproblem.info)- what exactly is it you are trying to achieve?
> 
> Best,
> Manuel
> 
> On 31.07.25 18:02, tmberg via nsd-users wrote:
>> On 2025-07-28 11:32, Manuel Stausberg via nsd-users wrote:
>>> Hi,
>>>
>>>> https://starka.st/run/shm/bandwidth/tmberg/224.0.168.192.in- 
>>>> addr.arpa.zone.txt
>>>>
>>>> https://starka.st/run/shm/bandwidth/tmberg/ 
>>>> tMbERG_tMbERG_.224.starka.st.zone.txt
>>>>
>>>> https://starka.st/run/shm/bandwidth/tmberg/errors.txt
>>>
>>> the links are the same as before, but the files now look different...
>>> Would be easier if you just include them here :)
>>>
>>> Btw. there seems to be no "errors.txt", I just see "tmberg" on that 
>>> page.
>>>
>>> Best,
>>> Manuel
>>> _______________________________________________
>>> nsd-users mailing list
>>> nsd-users at lists.nlnetlabs.nl
>>> https://lists.nlnetlabs.nl/mailman/listinfo/nsd-users
>>
>> It loads and work. But as I said in my previous mail.
>>
>> I want it to look like:
>>
>> Received: from [tMbERG_tMbERG_.224.starka.st] 
>> (tMbERG_tMbERG_.224.starka.st [tMbERG_tMbERG_.224.starka.st])
>>          by mx.starka.st (mx.starka.st) with ESMTP id C46691BA5C
>>          for <test-pu6fpd2ay at srv1.mail-tester.com>; Thu, 31 Jul 2025 
>> 17:48:33 +0200 (CEST)
>>
>> When sending mail. ( for example )
>>
>> Instead of:
>>
>> Received: from [192.168.0.224] (tMbERG_tMbERG_.224.starka.st 
>> [192.168.0.224])
>>          by mx.starka.st (mx.starka.st) with ESMTP id C46691BA5C
>>          for <test-pu6fpd2ay at srv1.mail-tester.com>; Thu, 31 Jul 2025 
>> 17:48:33 +0200 (CEST)
>>
>> But can it be done?
>>
>> Realying via my isp.
>>
>> /T
>>
> 
> 
> 
> _______________________________________________
> nsd-users mailing list
> nsd-users at lists.nlnetlabs.nl
> https://lists.nlnetlabs.nl/mailman/listinfo/nsd-users
	
Hello!

Sorry. I forgot to mention that Postfix/Unbound/Nsd is running on the 
same box.

Since its the same box I was thinking. Its all originating from the same 
system. It could be "fun". And because I can. ( Well... )

Setting it like that.

Thats it!

/T

-- 
T


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