HN does blacklist domains. Here's the blacklisted domain list from 2009[1]. Here's a blog post examining penalties applied to posts, some of the penalties are b

HN does blacklist domains. Here's the blacklisted domain list from 2009[1]. Here's a blog post examining penalties applied to posts, some of the penalties are based on the domain[2]. [1] https://news.ycombinator.com/item?id=499044 https://news.ycombinator.com/item?id=499044 [2] http://www.righto.com/2013/11/how-hacker-news-ranking-really-works.html http://www.righto.com/2013/11/how-hacker-news-ranking-really...