whoever said to warm up accounts for push has no idea what they are talking about lol.
if it died on day 4, it is not the cloaker, it is the network's auto audit. push networks manually check landing pages whenever a campaign CTR spikes or conversiions jump too fast.
rogueperry is right about IP leaks but whether u run Trafficsaviour or JCI or anthing else, if u do not cap ur bids nd daily spend early on, they'll check ur link from clean residential proxies. keep spend capped the first week so u stay off their radar.