The great opponent of Markets game initiated campain aiming Nightmare Marketplace using nasty PR tactics.
They are building fake gossip that the owners of Nightmare market is literally cheat their users, as if Nightmare is out of bussines e.t.c And same time running great deal of phishing copies of Darknet Market Nightmare in intend to ruin Nightmare market in the eyes of darknet.
Those moves bounded Nightmare's team to establish a webpage to helps their customers to avoid scam. They use an official substitute onion mirrors and monitor them here http://darknet-markets.site/.
So don't get caught in the naught games and anly use the official website!