Hi Michael In der Nachricht vom Monday, 4 April 2022 11:11:59 CEST schrieb Michael Tremer: > What do you get when you run this command: > > ddns guess-ip-addresses You can see this in Bug #12836 (https://bugzilla.ipfire.org/show_bug.cgi? id=12836); with the standard service of IPFire it did exit with an error, see #12834. Regards, Adrian.