FritzBox stopped using pihole as preferred dns server. Why? : r/pihole
AVM Fritz!Box 7490
Vodafone Germany: No port forwarding for home accounts. DS Lite Tunnelled IPv4 address that doesn't do port forwarding. [NOT Resolved for Most Users; See Posts. Roon Investigating] - Port Forwarding Resources -
FRITZ BOX WLAN 7050 Router Port Forwarding Guide
FRITZ!Box 7390 in a Mesh Network - Basil's Tech Diary
FRITZ!Box call http://fritz.box/cgi-bin/system_status « The Wiert Corner – irregular stream of stuff