http://sdl6liuz4optw2sc75yps3qhvdfzqx4pitrxi3l6iupmqtpsqh5drhqd.onion/blocklists_and_safety.html
Today, whatever their intentions, the reality is that advertising networks pose a very real and significant threat to the safety of your system. As if this
were not bad enough, most will also track and profile you in order to better "target" their adverts (which may or may not deliver malware).