DNS Gurus
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8 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

1 headers
Cache-Control
Caching
no-cache, private

Content Headers

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

Server Headers

2 headers
Server
Server
nginx/1.18.0
X-Powered-By
Server
PHP/7.3.24

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
bookstack_session=eyJpdiI6InhlVEFDaXY0QzZUKzUzVGtMa0R6MGc9PSIsInZhbHVlIjoiUXphZHpycGNoUllPQnpGVTZ3am1lTHJKQmN3RVJOdzlUYVFXUDY4QTAreENcL0R6Q1NXb3BPeW5KQ20zeDdwR3NNanhYcjF6eU1tWjUyV1hLUUlibUZDNGJCN3Bid2ZnVGFwZXVURjFMajh6MFM4dys3czY3czlpSUxPUU9vOHpSIiwibWFjIjoiNzk4YjQ1ZTFkMjY5MzQ1NzZiNmUwNDVmYzIyNmIwOTRjMDFkMmQyOGEzMDg4OWRmNjc0MDI1ZGEzOGM2MzEzZSJ9; expires=Thu, 01-Jan-2026 22:39:19 GMT; Max-Age=7200; path=/; httponly

Other Headers

1 headers
Date
Other
Thu, 01 Jan 2026 20:39:19 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

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