When you run a safety check on a domain like api5-core-zjg.amemv.com, it's important to know what you're actually looking at. This isn't a website you visit in a browser. It's a technical subdomain that appears to be part of ByteDance's infrastructure — the parent domain amemv.com is well known. The server returned a 404 error, which means there's no public page here. That's perfectly normal for an internal API endpoint that only talks to other servers.
What about security? The connection uses strong encryption with a valid certificate from DigiCert, and the server isn't on any blacklists. For the kind of system this is, everything looks routine. There's no privacy policy or contact page, but that's not a red flag when you're dealing with backend infrastructure.
If you're wondering whether api5-core-zjg.amemv.com is a scam or fake, the evidence doesn't support that. It's a legitimate technical service from a known company, just not something you'd transact with. There's no history in the Wayback Machine, but that's expected for a backend server that doesn't serve web pages. In short, this domain poses no risk to consumers — it's just not a site you need to interact with.