DNS Gurus
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12 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked

Caching Headers

3 headers
Cache-Control
Caching
private,no-store,no-cache,must-revalidate,post-check=0,pre-check=0
Expires
Caching
Sun, 1 Jan 1995 12:00:00 GMT
Pragma
Caching
no-cache

Content Headers

1 headers
Content-Type
Content
text/html; charset=UTF-8

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
dascookie=6301d36c-58df-40ea-afc4-de5fd49d93fc; HttpOnly

Other Headers

3 headers
Date
Other
Thu, 01 Jan 2026 01:33:17 GMT
Request-Id
Other
4b1130d6-a612-4cc0-9c44-98291afb6c0f
X-Feserver
Other
NLR-A-EXC05

Recommendations

Enable compression (gzip/brotli) to improve performance

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