Pb DNS resolution - systemd-resolved - timeout short name

$ host www.acme.fr
www.acme.fr has address 192.168.1.100

$ time host plop
;; connection timed out; no servers could be reached

real    0m10.033s
user    0m0.009s
sys     0m0.005s

$ systemd-resolve www.acme.fr
www.acme.fr: 192.168.1.100
                                          (www.acme.fr)

-- Information acquired via protocol DNS in 1.7ms.
-- Data is authenticated: no

$ systemd-resolve plop
plop: resolve call failed: All attempts to contact name servers or networks failed

Solution

Désactiver LLMNR

/etc/systemd/resolved.conf.d/dns_servers.conf

[Resolve]
LLMNR=no

Autres

journalctl -u systemd-resolved.service -f