configure set service dns forwarding domain +us-west-2.rds.amazonaws.com server 10.10.5.2 commit
Leads to wrong config file for PowerDNS
/run/powerdns/recursor.forward-zones.conf
+us_west_2.amazonaws.com=10.10.5.2
Which is wrong and dns forwarding does not work in proper way.
Workaround
https://github.com/vyos/vyos-1x/pull/640