If you've come across t1.rbxcdn.com and are wondering whether it's a scam, the short answer is no — but this isn't the kind of website you interact with directly. It's a content delivery network endpoint, likely owned by Roblox Corporation (notice the 'rbx' in the domain). That makes it infrastructure, not a consumer storefront or service. The site returns an access denied message, which means it's meant to be accessed by browsers and apps loading assets, not by people typing a URL.
For a CDN subdomain, the usual trust signals — an about page, contact info, terms of service — simply don't apply. What matters is whether the parent service is reputable, and in this case, the domain points to Amazon S3 and a major CDN. No blacklists or security warnings are associated with this address.
So if you're asking whether t1.rbxcdn.com is fake or a threat, the evidence says it's not. It's a legitimate technical resource behind a larger platform. You can feel confident that loading content from this address is safe.