R2 Access Via Domain is Down?

curl -i https://cdn.btst.io/test.html
HTTP/2 200
date: Thu, 11 Jan 2024 02:34:45 GMT
content-length: 0
access-control-allow-origin: *
vary: Origin
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, Vary, Origin, Referer, User-Agent, Authorization
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS, PATCH, HEAD
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=8OA78wCnvcRLW8CC5ljmtce%2BUhoPFbwNekVtEOQFJR2pMlYT5PVokesuCbId8U2u05wrqi3%2FkxP3kUy3K92R%2BvEg3w7XGcMk5vQraiHBgoKxbYMbUfBYchbrM4woyQ%3D%3D"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 8439c3330d605cae-RDU
alt-svc: h3=":443"; ma=86400

curl -i https://cdn.btst.io/test.html
HTTP/2 200
date: Thu, 11 Jan 2024 02:34:45 GMT
content-length: 0
access-control-allow-origin: *
vary: Origin
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, Vary, Origin, Referer, User-Agent, Authorization
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS, PATCH, HEAD
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=8OA78wCnvcRLW8CC5ljmtce%2BUhoPFbwNekVtEOQFJR2pMlYT5PVokesuCbId8U2u05wrqi3%2FkxP3kUy3K92R%2BvEg3w7XGcMk5vQraiHBgoKxbYMbUfBYchbrM4woyQ%3D%3D"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 8439c3330d605cae-RDU
alt-svc: h3=":443"; ma=86400