DNS Gurus
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14 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains;
Content-Security-Policy
Good
default-src
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Strengthen CSP by removing 'unsafe-eval'
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close

Caching Headers

2 headers
Etag
Caching
"7707ba69ce0d31:0"
Last-Modified
Caching
Mon, 30 Apr 2018 16:02:33 GMT

Content Headers

2 headers
Content-Length
Content
227
Content-Type
Content
text/html

Server Headers

2 headers
Server
Server
Microsoft-IIS/10.0
X-Powered-By
Server
ASP.NET

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
ARRAffinitySameSite=b481b5d5ef5f969f2bb39b07d2701634ec51df159a8be439c3bf2e3df32c36e8;Path=/;HttpOnly;SameSite=None;Secure;Domain=api.devicetrust.com

Other Headers

1 headers
Date
Other
Sun, 25 Jan 2026 01:19:38 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Consider removing X-Powered-By header to hide server technology