When I went to the website, it said "Firefox can't establish a connection to the server at hackthissite.org."What happened? Did HackThisSite undergo legal issues?

it got hacked and no one can go on it anymore cause the same thing happens to me

What was hack this site?

HTS.org was a site built for people to brush up on their IT skills, and to basically Legally hack the site. what happened was, on of the admin was stealing money from the others, so they over-rode him. he called their new host and claimed that they had his source code on their server. so naturally they took immediate legal action and shut down HTS until they finish investigating the situation.