https://raw.githubusercontent.com/aghorler/extremely-lightweight-dnsmasq-blocklist/master/list.txt

Domains that are included;

360yield.com
adcolony.com
admob.com
ads.youtube.com
adsrvr.org
adtilt.com
flashtalking.com
flurry.com
google-analytics.com
googlesyndication.com
mopub.com