On Sun, 2025-04-27 at 12:17 +0200, Marco Moock wrote:
> Then you have a general problem. DNS is intended to give back the same
> results for the same query - regardless which server you ask.

Yes, and no.

My internal DNS can obviously answer my LAN addressing queries, and
it's set up to also resolve queries about internet addresses.  It runs
as a full server.  No public server can answer queries about my LAN.

On the internet, various services have multiple IPs and use round-robin 
DNS answers as load sharing.

On various ISPs, as a customer, if you ask their DNS server for their
mail server addresses you may get a different answer than if an
outsider asked the same query.

 
-- 
 
uname -rsvp
Linux 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64
 
Boilerplate:  All unexpected mail to my mailbox is automatically deleted.
I will only get to see the messages that are posted to the mailing list.
 

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