This domain is part of Google's video infrastructure. You might see it in your browser when watching YouTube or using other Google video services. It's not a business or a consumer website, so don't expect contact pages or legal disclaimers here. The server uses strong encryption, has a clean security record, and is hosted by Google's trusted CDN partners. If you're wondering is rr3---sn-vuxbavcx-n3bs.googlevideo.com a scam, the answer is no. It's just a technical endpoint, and the 404 error you get when visiting directly is perfectly normal. There's no reason to treat it with suspicion, and no personal data is collected at this subdomain. For a thorough is rr3---sn-vuxbavcx-n3bs.googlevideo.com fake check, the signals all point to legitimate infrastructure. You can proceed without concern.