r4---sn-vgqsknlz.c.2mdn.net is not a typical website you'd visit for shopping or news. It's a server subdomain owned by Google, used as part of their content delivery or advertising infrastructure. For this kind of endpoint, the lack of an about page, contact info, or privacy policy is completely normal — these aren't meant to be consumer-facing pages. The encryption is strong, the hosting is on Google's own network, and there are no blacklist flags or security warnings.
If you see this domain in a URL bar or in your browser's network logs, it's not a scam or fake site. It's just one of many automated endpoints that power Google's services. The only thing worth noting is that the server still supports older, less secure TLS versions, but that's a minor concern for a backend system. In short, there's nothing here to worry about for the average user.