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
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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-pu6fpd...@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-pu6fpd...@srv1.mail-tester.com>; Thu, 31 Jul 2025 17:48:33 +0200 (CEST)

But can it be done?

Realying via my isp.

/T




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