La connexion entre serveurs a échoué : La résolution DNS a échoué

Mon serveur Vounébergezpa

Matériel: Pi Framboise 4
Version de Vounébergezpa: 11.0.9.14
J’ai accès à mon serveur : Oui
Êtes-vous dans un contexte particulier ou avez-vous effectué des modificiations particulières sur votre instance ? : non

Description du problème

Je ne peux plus ajouter de personnes dans gajim avec XMPP.
L’erreur: Server-to-server connection failed: DNS resolution failed.

image

/log/var/metronome.err

b'Sep 07 11:02:19 adns\terror\tExhausted all 1 configured DNS servers, next lookup will try 127.0.0.1 again'
b'Sep 07 19:32:26 adns\terror\tExhausted all 1 configured DNS servers, next lookup will try 127.0.0.1 again'
b'Sep 08 09:44:59 adns\terror\tExhausted all 1 configured DNS servers, next lookup will try 127.0.0.1 again'
Sep 10 01:00:09 adns	error	Exhausted all 1 configured DNS servers, next lookup will try 127.0.0.1 again

/var/log/metronome/metronome.log

Sep 08 02:07:34 s2sout1707340	info	Beginning new connection attempt to jabber.domain.tld ([195.240.113.178]:5269)
Sep 08 02:07:34 s2sin157f0b0	info	incoming s2s stream domain.tld->jabber.domain.tld closed: This host does not serve jabber.domain.tld
Sep 08 02:07:34 s2sout1707340	info	Session closed by remote with error: host-unknown (This host does not serve jabber.domain.tld)
Sep 08 02:07:34 s2sout1707340	info	outgoing s2s stream domain.tldt->jabber.domain.tld closed: host-unknown (This host does not serve jabber.domain.tld)
Sep 08 02:07:34 s2sout1707340	info	sending error replies for 1 queued stanzas because of failed outgoing connection to jabber.domain.tld
Sep 08 02:07:54 s2sout15c74a0	info	Out of connection options, can't connect to amie
Sep 08 02:07:54 s2sout15c74a0	info	sending error replies for 1 queued stanzas because of failed outgoing connection to amie

/etc/resolv.conf

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "resolvectl status" to see details about the actual nameservers.

nameserver 127.0.0.1
search fritz.box

/etc/hosts

127.0.0.1	localhost
::1		localhost ip6-localhost ip6-loopback
ff02::1		ip6-allnodes
ff02::2		ip6-allrouters

127.0.1.1	yunohost

127.0.0.1	domain.tld

127.0.0.1	Vxnebehrzjepa

nslookup

[admin@Vxnebehrzjepa etc]$ nslookup domain.tld
Server:		127.0.0.1
Address:	127.0.0.1#53

Name:	domain.tld
Address: 127.0.0.1
Name:	domain.tld
Address: ::1
Name:	domain.tld
Address: aaaa:bbbb:cccc:dddd:eeee:ffff:gggg:hhhh

[admin@Vxnebehrzjepa etc]$ nslookup jabber.domain.tld
Server:		127.0.0.1
Address:	127.0.0.1#53

Non-authoritative answer:
Name:	jabber.domain.tld
Address: aaa.bbb.ccc.ddd
Name:	jabber.domain.tld
Address: aaaa:bbbb:cccc:dddd:eeee:ffff:gggg:hhhh

Stupid me, I tried adding user in gajim, not user@domain.tld.