# dig -t AAAA mail.reichmann.jr-online.net. @::1

; <<>> DiG 9.9.4-RedHat-9.9.4-74.el7_6.2 <<>> -t AAAA mail.reichmann.jr-online.net. @::1
;; global options: +cmd
;; connection timed out; no servers could be reached


# ss -ltap | grep -i unbound
LISTEN     0      128    127.0.0.1:domain                   *:*                     users:(("unbound",pid=9019,fd=4))
LISTEN     0      128    127.0.0.1:ub-dns-control           *:*                     users:(("unbound",pid=9019,fd=12))
LISTEN     0      128      ::1:domain                  :::*                     users:(("unbound",pid=9019,fd=6))
LISTEN     0      128      ::1:ub-dns-control          :::*                     users:(("unbound",pid=9019,fd=11))