Thanks for following up, I will mark this as won't fix unless you have
any additional notes or comments.
** Changed in: samba (Ubuntu)
Status: New => Won't Fix
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It could be due to the samba4 internal dns do not support zone transfer..
Maybe can ignore this report...
The internal DNS does not support:
acting as a caching resolver
recursive queries
shared-key transaction signature (TSIG)
stub zones
zone transfers
https://wiki.samba.org
If you need a fix for the bug in previous versions of Ubuntu, then the
relevant procedure is documented here:
https://wiki.ubuntu.com/StableReleaseUpdates
However, I am not sure this bug would qualify under that policy, although I
am not on the SRU team and cannot make that decision. From the bug