https://bitcort.world/
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A crypto exchanges running and hosted under namecheap.com? If that is really the crypto exchange OP is talking about then it's already alarming the Scam alarm on my head. How could an exchange be running smoothly under a cheap and unreliable hosting service? Op might just be probably looking for investors to scam them on his wannabe exchange that is why their main mode of communication is through tg only, I even doubt that there is really active trades going on in their exchange.
This domain is registered on Namecheap, not hosted there. Namecheap, even if his name suggests that they cheap, is one of the best-reputed company in the domaining business.
Also, domain use DNS:
Name Server: ns2.web-host.gen.in
and nothing suspicious from there.
But they use whois privacy, and it is not desirable for any serious business, especially in financial.