If you've come across rr1---sn-5abxgpxuxaxjvh-9n4s.googlevideo.com and wondered whether it's safe, here's the short version: this isn't a website you're meant to visit. It's a backend server used by Google to deliver video content, likely for YouTube. The page returns a 404 error, and that's intentional β there's no homepage, no contact form, and no business information because this host isn't a consumer-facing service.
For a piece of internet infrastructure, the security credentials are solid: a valid SSL certificate from Google, modern encryption, and a clean bill of health from Google's own threat detection. The domain is owned by one of the largest and most trusted companies on the web, so identity is not a concern.
If you're asking 'is rr1---sn-5abxgpxuxaxjvh-9n4s.googlevideo.com a scam?', the answer is no β but it's also not a site to 'review' in the usual sense. It's a technical server and behaves exactly as a Google CDN node should. There's nothing here to buy, log into, or trust in a personal sense. If you're seeing this URL in your browser or network logs, it's likely part of normal video streaming traffic. No red flags for its intended purpose.