Possible stub/forward zone bug

[Qmail Dev]

Hello,

I am facing with a weird issue, explained in a lot of detail
here: https://forum.netgate.com/topic/150898/unbound-domain-overrides-stop-resolving-periodically-they-only-resume-after-the-service-has-been-restarted/4


but I will sum it up here as well:


I am running Unbound 1.10 inside a FreeBSD environment.
I use a local domain named test.local served by Bind and cached by
Unbound.


Unbound is configured with:


        domain-insecure: "test.local"
        private-domain: "test.local"



I also tried configuring it as either a stub or a forward zone, it
doesn't matter as to the bug.


How to reproduce this:


- Start unbound
- resolve host1.test.local, host2.test.local, etc. all is fine
- resolve blah.local , it fails after trying to go to root NS's
- try to resolve host1.test.local, host2.test.local , it fails this
time with NXDOMAIN


If you restart Unbound, it will resolve test.local again, until you
try and resolve a non-configured .local domain


If I add "local" as a forward zone that goes to my main NS, the issue
goes away entirely.

Is this expected behavior or a bug ?


Thanks!
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