This seems to do network-level filtering based on the provided filter lists. If I have a Pi-Hole / Adguard Home running in my network and use it as a DNS, that

This seems to do network-level filtering based on the provided filter lists. If I have a Pi-Hole / Adguard Home running in my network and use it as a DNS, that would mean this extension is useless for me (give I use the same and more filter lists)?