unbound_adservers.txt

# Blocking Ad Server domains, block them all!
local-zone: "doubleclick.net"        redirect
local-data: "doubleclick.net         A 127.0.0.1"
local-zone: "googlesyndication.com"  redirect
local-data: "googlesyndication.com   A 127.0.0.1"
local-zone: "googleadservices.com"   redirect
local-data: "googleadservices.com    A 127.0.0.1"
local-zone: "google-analytics.com"   redirect
local-data: "google-analytics.com    A 127.0.0.1"
local-zone: "ads.youtube.com"        redirect
local-data: "ads.youtube.com         A 127.0.0.1"
local-zone: "adserver.yahoo.com"     redirect
local-data: "adserver.yahoo.com      A 127.0.0.1"
local-zone: "ask.com"                redirect
local-data: "ask.com                 A 127.0.0.1"