Comment 1 for bug 1896541

I'll be curious to see if you can reproduce the issue using 2.9 PPA :
https://launchpad.net/~maas/+archive/ubuntu/2.9 (As of today '1:2.9.0~beta5-8994-g.8eaf8a312-0ubuntu1~20.04.1')

References:
https://bugs.launchpad.net/maas/+bug/1881133
https://github.com/maas/maas/commit/a44d3a8a62be1d2db4af9de27fdf414bcd45fc1a
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Author: Lee Trager <email address hidden>
Date: Fri Aug 14 18:49:31 2020 +0000

LP: #1881133 - Always include rack controller IPs for DNS servers.

MAAS was only including the configured URL for controllers which did not
always include all rack controllers the VLAN is configured to use. This
would also sometimes include the region controller's IP even when the
machine is unable to directly access the rack controller.

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# git describe --contains a44d3a8a6
2.9.0-beta1~82