#100 IDNA zone name support yet?

[FyLy]

version of "ddclient-3.8.3-1.1ubuntu1" on Ubuntu 18.04 LTS.

$ sudo systemctl status ddclient
● ddclient.service - LSB: Update dynamic domain name service entries
Loaded: loaded (/etc/init.d/ddclient; generated)
Active: active (running) since Thu 2019-06-27 07:49:14 UTC; 3min 15s ago
Docs: man:systemd-sysv-generator(8)
Process: 3634 ExecStop=/etc/init.d/ddclient stop (code=exited, status=0/SUCCESS)
Process: 3640 ExecStart=/etc/init.d/ddclient start (code=exited, status=0/SUCCESS)
Tasks: 1 (limit: 1442)
CGroup: /system.slice/ddclient.service
└─3659 ddclient - sleeping for 110 seconds

Jun 27 07:49:14 casque systemd[1]: Starting LSB: Update dynamic domain name service entries...
Jun 27 07:49:14 casque ddclient[3640]: WARNING: skipping host: casque.xn--larlsienne-e7a.fr: 'zone=' is an invalid fully qualified
Jun 27 07:49:14 casque systemd[1]: Started LSB: Update dynamic domain name service entries.

$ sudo cat /etc/ddclient.conf
ssl=yes
protocol=cloudflare
use=web
server=www.cloudflare.com
login=XXX
password=XXX
casque.xn--larlsienne-e7a.fr

$ sudo ddclient -daemon=0 -debug -verbose -noquiet
WARNING: skipping host: casque.xn--larlsienne-e7a.fr: 'zone=' is an invalid fully qualified host name.
WARNING: skipping host: casque.xn--larlsienne-e7a.fr: 'zone=' is an invalid fully qualified host name.
=== opt ====
opt{cache} : <undefined>
opt{cmd} : <undefined>
opt{cmd-skip} : <undefined>
opt{daemon} : 0
opt{debug} : 1
opt{exec} : <undefined>
opt{facility} : <undefined>
opt{file} : <undefined>
opt{force} : <undefined>
opt{foreground} : <undefined>
opt{fw} : <undefined>
opt{fw-login} : <undefined>
opt{fw-password} : <undefined>
opt{fw-skip} : <undefined>
opt{geturl} : <undefined>
opt{help} : <undefined>
opt{host} : <undefined>
opt{if} : <undefined>
opt{if-skip} : <undefined>
opt{ip} : <undefined>
opt{login} : <undefined>
opt{mail} : <undefined>
opt{mail-failure} : <undefined>
opt{max-interval} : 2592000
opt{min-error-interval} : 300
opt{min-interval} : 30
opt{options} : <undefined>
opt{password} : <undefined>
opt{pid} : <undefined>
opt{postscript} : <undefined>
opt{priority} : <undefined>
opt{protocol} : <undefined>
opt{proxy} : <undefined>
opt{query} : <undefined>
opt{quiet} : 0
opt{retry} : <undefined>
opt{server} : <undefined>
opt{ssl} : <undefined>
opt{syslog} : <undefined>
opt{test} : <undefined>
opt{timeout} : <undefined>
opt{use} : <undefined>
opt{usev6} : <undefined>
opt{verbose} : 1
opt{web} : <undefined>
opt{web-skip} : <undefined>
=== globals ====
globals{daemon} : 60
globals{debug} : 1
globals{login} : XXX
globals{password} : XXX
globals{protocol} : cloudflare
globals{quiet} : 0
globals{server} : www.cloudflare.com
globals{ssl} : 1
globals{use} : web
globals{verbose} : 1
=== config ====
=== cache ====
cache{casque.xn--larlsienne-e7a.fr}{atime} : 1561620301
cache{casque.xn--larlsienne-e7a.fr}{backupmx} : 0
cache{casque.xn--larlsienne-e7a.fr}{host} : casque.xn--larlsienne-e7a.fr
cache{casque.xn--larlsienne-e7a.fr}{mtime} : 0
cache{casque.xn--larlsienne-e7a.fr}{mx} :
cache{casque.xn--larlsienne-e7a.fr}{status} : noconnect
cache{casque.xn--larlsienne-e7a.fr}{warned-min-error-interval} : 0
cache{casque.xn--larlsienne-e7a.fr}{warned-min-interval} : 0
cache{casque.xn--larlsienne-e7a.fr}{wildcard} : 0
cache{casque.xn--larlsienne-e7a.fr}{wtime} : 30
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[wimpunk]

Check the documentation. Your configuration is missing a zone=-line

[FyLy]

Noted. Added zone= and the updating procedure can move forward. However, a new issue occurred. Will issue another ticket to figure out