https://raw.githubusercontent.com/rmgrimm/dns-block-lists-in-4k/master/lists/disconnect.me.simple_tracking.aa.txt

Domains that did not resolve;

bango.combango.org
bkrtx.com
bugsense.com
burstly.com
crittercism.com
custom-blacklisted-tracking-example.com
trackersimulator.org
usergrid.com