Dear Helmut,
yes – since the transition to Deutsche Glasfaser it is a IPv6 only site …
The A record from DNS results from NOIP – I cannot enter a AAAA record without an A record; the A record is simply the one my FRITZ!Box gives.
Do you have IPv6 on your computer?
I experienced from my office at the university that I cannot even connect to my nextcloud Landing page when my PC has not an IPv6 address. With an IPv6 address I reach the Landing page of my cloud, but not the sync target of Joplin.
Over my cell phone I can sync with Joplin using mobile data, not WiFi … therefore I think my nextcloud and my Joplin instance is configured correctly.
When I try to enter the IPv6 address of my Cloud (not the DNS Name in Joplin (either with […] or without the brackets the sync target cannot be reached.
Yours
Dr. Wolfgang Wirth
