HTTP Security Headers
usmc.mil
usmc.mil has no A or AAAA record, so nothing answers at usmc.mil itself. These are the headers served at www.usmc.mil.
Final status: 403 · Server: AkamaiGHost
Security Headers
Strict-Transport-Security (HSTS) — missing
Forces browsers to use HTTPS, preventing protocol-downgrade attacks.
Content-Security-Policy (CSP) — missing
Limits where scripts/resources can load from — the strongest defense against XSS.
X-Frame-Options — missing
Blocks the site from being embedded in iframes (clickjacking protection).
X-Content-Type-Options — missing
Stops browsers from MIME-sniffing responses away from the declared type.
Referrer-Policy — missing
Controls how much referrer information is sent to other sites.
Permissions-Policy — missing
Restricts access to browser features like camera, microphone, geolocation.