Domains that failed to resolve on https://gist.githubusercontent.com/ritiek/4d1f8790fa118f06d826ba4df0a1ca80/raw/bd6f81b31b91413ec7b137a326f966cf95d6067e/hosts

ad4.liverail.com
advert.gameranger.com
ande.analogdemographics.com
cc20.adotube.com
cdn.liverail.com
delivery-europe-west-1.openx.net
pix.impdesk.com
t4.liverail.com
vox-static.liverail.com