http://darknetmdzfznq7zxywqzqnskp6b6thm3yy2uvuxqijrpzltvrdxuyyd.onion
After was active in the domain "kpvz7ki2v5agwt35.onion" was launched by ION and became the most commonly used hidden wiki, which was also known as Ion's Wiki. Ion's hidden wiki had frequent down-times, and there were many other TOR hidden service mirrors from the hidden ION wiki, to serve as backup when the main site went down.