It doesn't require special hardware. Anyone running their own resolving nameserver can do it with two parts: include "/etc/bind/ad-blacklist"; /etc/cron.daily

It doesn't require special hardware. Anyone running their own resolving nameserver can do it with two parts: include "/etc/bind/ad-blacklist"; /etc/cron.daily/update-ad-blacklist or equivalent for unbound, maradns.... whatever.