When you land on a website that doesn't actually work and offers no clue about who is behind it, that is a major red flag. Leave-space-dpydkhpfpjpu.edgeone.cool returns a 404 error — it's essentially a dead page. There is no about page, no privacy policy, and no company name anywhere. The underlying domain is anonymous, with no records in the Wayback Machine and no social media presence to speak of.
What makes this site particularly untrustworthy is the complete absence of identity. Legitimate businesses, even small ones, typically provide some way to verify who they are. This site does not. The technical setup is also dated: it accepts old, insecure TLS versions and lacks basic security headers that protect your browser.
If you are asking whether leave-space-dpydkhpfpjpu.edgeone.cool is a scam or fake, the honest answer is that there is not enough evidence to label it a scam specifically, but there is also no evidence that it is a real business. The safest approach is to avoid it entirely. There is nothing here worth engaging with.