[Pdns-users] DNAME randomly failing on Linux clients

[Adam Cecile]

On 4/6/22 10:44, Brian Candler wrote:
> On 06/04/2022 09:36, Adam Cecile via Pdns-users wrote:
>> Any idea what's going on here, I'm completely lost. I guess my DNAME 
>> usage is somehow incorrect but I don't understand why it's working 
>> intermittently (and always with pure DNS call using dig...)
>
> Just a thought, but does your system use systemd-resolved? (Clue: 
> /etc/resolv.conf points to nameserver 127.0.0.53).  For example, it 
> may treat ".local" differently, given that domain is reserved for 
> multicast DNS (as dig output informs you); or there may be some DNSSEC 
> issue.  "systemd-resolve --status" may give you some clue.
>
> Apart from that, I suggest you look at the raw queries and responses 
> on the wire, and see how this differs between using direct dig and 
> gethostbyname:
>
> tcpdump -i eth0 -nn -s0 -v port 53
>
> (replace "eth0" with whatever your external interace is)
>
Hello,

No regular resolv.conf pointing to 127.0.0.1 (local DNSDist -> local 
PowerDNS), nsswitch mdns stuff is also removed.
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