hi,
I have GT-AXE16000 with Merlin's 3004.388.8_2 FW, and recently I figured out that Netflix app on my LG smart TV doesnt want to use my Adguard DNS and sends DNS requests directly to 8.8.8.8.
Somehow DNS Director works bad with my setup, so I blocked 8.8.8.8 using Network Services Filter...