Site archive of Cit0day.in has now leaked on two hacking forums after the service shut down in September.
Cit0day operated by collecting hacked databases and then providing access to usernames, emails, addresses, and even cleartext passwords to other hackers for a daily or monthly fee.
In total, 23,618 hacked databases were provided for download via the MEGA file-hosting portal. The link was live only for a few hours before being taken down following an abuse report. Dataset is estimated at around 50GB and 13 billion user records.