Add blocklist of famous quad9 dns

[trimechee]

What is the feature you'd like to request?

Hi, it will be great to add blocklist of famous secure Quad9 dns to more security feeling safe please, or add other blocklists of famous secure dns that block malwares virus like blocklist of cira dns, dns0, nextdns, thank you :

https://raw.githubusercontent.com/AssoEchap/stalkerware-indicators/master/generated/quad9_blocklist.txt

What problem are you trying to solve?

I'm trying to solve a problem where...
Avoid malwares virus

What solution would you like to see?

use blocklist of quad9 dns :

https://raw.githubusercontent.com/AssoEchap/stalkerware-indicators/master/generated/quad9_blocklist.txt

Are there any alternatives you've considered?

I've considered alternatives such as...

Additional context

I would like to add...