If you've come across kfscdn.api.np.km.playstation.net, you're likely looking at a backend server used by PlayStation Network. This isn't a public website you'd browse — it's a content delivery endpoint hosted on Akamai, and that's why you see an 'Access Denied' message. That's normal and intentional.
The domain is a subdomain of playstation.net, which Sony owns and operates. The SSL certificate is valid, the connection uses modern encryption, and there are no malware or blacklist flags. For a piece of gaming infrastructure, this is exactly what a healthy, well-maintained system looks like.
If you're wondering whether kfscdn.api.np.km.playstation.net is a scam or fake, the answer is no. It's a real part of PlayStation's network. There's no reason to distrust it — just don't expect to access it directly in your browser. The only thing to watch for is that scammers sometimes use similar-looking subdomains, so double-check that the parent domain is indeed playstation.net. In this case, it checks out.