KADomains

1. Open the AdGuard Home dashboard and go to Filters → DNS blocklists.
2. Click Add blocklist → Add a custom list.
3. Enter KADomains as name and paste the URL below, then click Save.
4. AdGuard Home refreshes lists automatically; use Check for updates to force it.

https://raw.githubusercontent.com/FiltersHeroes/KADhosts/master/KADomains.txt

AdGuard Home Dokumentation

banIP (recommended)

1. Install the package: opkg update && opkg install banip luci-app-banip
2. Open LuCI → Services → banIP → Feeds and add a custom feed with the URL below.
3. Enable the feed and click Save & Apply.

https://raw.githubusercontent.com/FiltersHeroes/KADhosts/master/KADomains.txt

Manual with nftables

wget -qO /tmp/blocklist.txt "https://raw.githubusercontent.com/FiltersHeroes/KADhosts/master/KADomains.txt"
nft add set inet fw4 blocklist { type ipv4_addr; flags interval; }
nft -f - <<EOF
$(awk '!/^[#;]/ && NF {print "add element inet fw4 blocklist { " $1 " }"}' /tmp/blocklist.txt)
EOF
nft add rule inet fw4 forward ip saddr @blocklist drop

OpenWrt (banIP) Dokumentation