Anyone use prizerebel.com? Is it still working?

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I tried to sign up for a gpt site called prizerebel.com and went through the registration process only to find that when they sent the activation email, I never received it. My details were correct and it's not in my junk mail. Any else use this site? Is it still operating? Or, is it another scam to get your details but not give you anything in return? ptc-investigation has it as legit but their info might be out of date...