I tried the vagrant file a try, and this is the last bit of output:
(...)
default: Created symlink
/etc/systemd/system/multi-user.target.wants/bind9.service →
/lib/systemd/system/bind9.service.
default: bind9-pkcs11.service is a disabled or a static unit, not starting
it.
default: bind9-resolvconf.service is a disabled or a static unit, not
starting it.
default: Processing triggers for ureadahead (0.100.0-20) ...
default: Processing triggers for systemd (237-3ubuntu10.3) ...
default: Processing triggers for ufw (0.35-5) ...
default: Fails to look up host with dnssec-validation auto
default: Server: 192.168.0.130
default: Address: 192.168.0.130#53
default:
default: Non-authoritative answer:
default: Name: ubuntu.com
default: Address: 91.189.94.40
default: Fails to get entire entry with dnssec-validation false
default: Server: 192.168.0.130
default: Address: 192.168.0.130#53
default:
default: Non-authoritative answer:
default: Name: ubuntu.com
default: Address: 91.189.94.40
I don't see errors from nslookup.
I tried this on a cosmic laptop, with vagrant and virtualbox as shipped
in cosmic, but the VM was bionic as specified. It only has a wifi
connection, so I gave it the wifi nic name when vagrant asked me which
interface it should bridge with (if that matters).
Perhaps you should do a network packet capture, see if packets are being
truncated somehow. If using tcpdump, be sure to specify a large size
with -s, or just "-s 0" which means the whole packet iirc. And then
compare it with another packet capture with the previous version of bind
to see what's the difference.
A tcpdump command line to start with could be:
tcpdump -i any -s 0 -w dns.pcap port 53
You could perhaps restrict the interface a bit, instead of "any".
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https://bugs.launchpad.net/bugs/1787739
Title:
postfix name lookup failed after dist-upgrade (Aug-2018)
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