Weak HSTS age in support hackerone site

Send this request: GET https://support.hackerone.com HTTP/1.1 Connection: keep-alive Accept: application/json, text/javascript, */*; q=0.01 X-Requested-With: XMLHttpRequest Content-Length: 0 User-Agent: Jakarta Commons-HttpClient/3.1 Host: support.hackerone.com Response header: HTTP/1.1 200 OK Server: cloudflare-nginx Date: Tue, 01 Sep 2015 06:52:11 GMT Content-Type: text/html; charset=utf-8 Connection: keep-alive Age: 56 Cache-Control: must-revalidate, private, max-age=0 Cf-Railgun: 87a16c353c 0.02 0.338003 0030 5f99 Etag: W/"bcace9020a24a9e907e225a39b266b41" P3p: CP="NOI DSP COR NID ADMa OPTa OUR NOR" Set-Cookie: _zendesk_shared_session=-VnZMKzVjYjE3UE9YNTFTL3JRdUNMbGJ2QWIrRFdCcHlnMmV5YUF5REZjM2lsLzFVYnlHSitnTXl0M3lwYy8rdlVjZEkxZEVXQkY4UXBpOEQ5OW1HL0Rxb21xSWMrelZnQ0FaWm9zeVV3d2JMWTdtVUIzSksrd2JlbTlaQlB2NTZheEYyMVNPbTJjMHhNUnd6ZmRCLzRBPT0tLXVIVEtEZllZaEpGSVdWb0p4S1RKM1E9PQ%3D%3D--115cc986bb0920272411c9d98503a8791592f7e7; path=/; HttpOnly Set-Cookie: _zendesk_authenticated=; path=/; expires=Thu, 01 Jan 1970 00:00:00 -0000; HttpOnly Status: 200 OK Strict-Transport-Security: max-age=86400; Vary: X-Device-Type, X-User-Role X-Content-Digest: ae308f9f9f3a0371e5536ade23b825b5e2bd31dc X-Content-Type-Options: nosniff X-Frame-Options: SAMEORIGIN X-Rack-Cache: fresh X-Request-Id: 7c17bd5c-2511-483b-c8b3-b8ca3a61d4b8 X-Runtime: 0.022081 X-Ua-Compatible: IE=Edge,chrome=1 X-Xss-Protection: 1; mode=block X-Zendesk-Origin-Server: hcapp8.pod4.sac1.zdsys.com CF-RAY: 21ef0d0696891067-CDG HSTS age is 86400 Calculation= 86400/60s =1440/60m =24/24 day = 1 day