Thanks @all for the replies.In the meantime I have installed Pi-Hole on my old RPI 2 with RaspberrypiOS and will catch up in the next days on the RPI 4 with Manjaro.
Thanks @all for the replies.In the meantime I have installed Pi-Hole on my old RPI 2 with RaspberrypiOS and will catch up in the next days on the RPI 4 with Manjaro.