The domain rr3---sn-8xgp1vo-p5qez.googlevideo.com is part of Google's video-serving infrastructure, commonly used for YouTube and other Google services. Unlike a typical consumer website, this isn't a place you'd browse or buy from. It returns a 404 error because the specific path requested doesn't exist — that's expected for a backend server that only responds to internal requests.
So is rr3---sn-8xgp1vo-p5qez.googlevideo.com safe? Absolutely. The certificate comes straight from Google, the connection uses modern encryption, and there are no blacklist entries or malware flags. If you see this domain in your browser's address bar, it's likely part of a video stream — not a scam. There's no reason to avoid it, and no action needed from you. For a legitimate business site, missing contact info and legal pages would be a red flag, but for a Google CDN node, those absences are completely normal. This is one of the most trustworthy domains you can encounter.