When you land on a URL like this one, you're actually hitting a Google-owned server that's part of their video streaming infrastructure. The domain is a subdomain of googlevideo.com, which Google uses to deliver content from YouTube and other services. The 404 error you see means the specific path doesn't exist — it's not a sign of a scam or a fake site.
For a site owner, this would be a broken link. For a visitor, there's nothing to trust or distrust because there's no actual page to interact with. No data is collected, no forms are present, and no transactions happen. The security credentials are valid and issued by Google Trust Services, which is the same certificate authority Google uses for its own products.
If you're wondering whether rr7---sn-qpbp-30az.googlevideo.com is a scam, the answer is simply no — it's a legitimate backend server. But there's also no reason to visit it. If you clicked a link expecting a video or page, that link is broken. The best course of action is to find the correct resource or contact the service that sent you here.