As it stands, there are around 1.8k left.
Interestingly, since we showed people on Reddit yesterday, there have been around 100 domains that were in the list but are now taken.
Cool app
https://gist.github.com/theycallmeswift/6e479d61b772543aa613
Please respect others' work. Writing a scraper nowadays is not cool any more!
Sounds like you might want to check out the FAQ for answer to your other question. https://news.ycombinator.com/newsfaq.html