Is that Coinmarkets.io?
I can't access that website and it says, "Connection denied by IP2Location Country Blocker" it might be what you meant the link that you gave above was the alternative one right?
No offense but why the link that you gave doesn't have a record of who.is?
It was coinsmarkets.com. I'm not entirely sure if they had another domain but most likely not given how their exchange screamed tight budget.
What happened back then was coinsmarkets exit scammed but they first tried to stall users by giving loads of excuses which went for weeks or months (?) until they finally went MIA, see this mega thread about it:
CoinsMarkets.com IS DOWN!