If you've come across rr5---sn-hp57yn7y.gvt1.com and wondered whether it's safe, the short answer is yes. This is a Google-owned subdomain, part of their content delivery network (CDN). The 404 error you see is not a sign of a fake site — it just means the specific URL path you requested doesn't exist on that server. Google uses thousands of hostnames like this to serve video, images, and other content efficiently.
For a CDN endpoint, the absence of an about page, contact info, or privacy policy is completely normal. Those things only matter for businesses that interact with customers directly. The site uses strong TLS encryption, a valid certificate from Google Trust Services, and is hosted on Google's own network. No blacklists or malware flags are associated with it.
There's no reason to approach rr5---sn-hp57yn7y.gvt1.com with suspicion. It's a legitimate piece of Google's infrastructure — not a website you'd buy from or log into. If you're seeing this domain in your browser's address bar, it's likely because a page you visited loaded content from Google's CDN. That's a routine, safe occurrence.