When you see a domain like rr3---sn-j5caxoxu-i2os.googlevideo.com, it's easy to wonder whether it's safe or a phishing attempt. But this isn't a website you visit directly β it's a server address owned by Google, used to stream content from services like YouTube. The 404 error you get is normal: there's no human-friendly page here, just a delivery node.
Because Google runs this, the security is strong: valid encryption, clean blacklist status, and no evidence of malware. The missing privacy policy and contact page aren't red flags β they'd be irrelevant for a backend server. If you encounter this domain while using Google's services, there's no reason to worry. It's not a site where you'd enter personal information or make payments. If you ever see it in a suspicious link, check the full URL path β but the domain itself is legitimate Google infrastructure.
Reviews or scam checks about this domain are mostly about confusion: people worry because they can't access it or don't recognize it. The short answer: rr3---sn-j5caxoxu-i2os.googlevideo.com is not fake, and it's safe in the context of Google's network.