Bellow I also have an example without the query string: curl -sD - "https://app-site-association.cdn-apple.com/a/v1/uff2.de" -o /dev/null HTTP/1.1 404 Not Found Server: AppleHttpServer/7b3d349ae60c243cdd677edbde3e93e460f75820 Date: Sat, 05 Sep 2026 18:54:00 GMT Content-Type: text/plain; charset=utf-8 Content-Length: 10 Apple-Failure-Details: {"cause":"Connection timed out"} Apple-Failure-Reason: SWCERR00301 Timeout Apple-From: https://uff2.de/.well-known/apple-app-site-association Apple-Try-Direct: true Cache-Control: max-age=3600,public Vary: Accept-Encoding X-B3-TraceId: 02d1d89c44e0c48c Strict-Transport-Security: max-age=31536000 Age: 32 Via: https/1.1 defra2-vp-vst-006.ts.apple.com (acdn/331.16659), https/1.1 defra2-vp-vfe-017.ts.apple.com (acdn/331.16659), https/1.1 defra2-xdc-mx-006.ts.apple.com (acdn/331.16659), https/1.1 defra1-edge-fx-019.ts.apple.com (acdn/331.16659) X-Cache: hit-stale, hit-stale, hit-stale, miss CDNUUID: d2fabf15-4734-4ee7-880c-2018498293a7-1153445817 Connection: keep-alive Access Log Entry: 2026/09/05 18:54:00.180 INFO http.log.access.log0 handled request {"request": {"remote_ip": "57.103.82.166", "remote_port": "1036", "client_ip": "57.103.82.166", "proto": "HTTP/1.1", "method": "GET", "host": "uff2.de", "uri": "/apple-app-site-association", "headers": {"User-Agent": ["AASA-Bot/1.0.0"], "Accept-Encoding": ["gzip"]}, "tls": {"resumed": false, "version": 772, "cipher_suite": 4865, "proto": "", "server_name": "uff2.de"}}, "bytes_read": 0, "user_id": "", "duration": 0.000074622, "size": 0, "status": 401, "resp_headers": {"Server": ["Caddy"], "Alt-Svc": ["h3=\":443\"; ma=2592000"], "Www-Authenticate": ["Basic realm=\"restricted\""]}}