DNS Gurus
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11 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

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

3 headers
Cache-Control
Caching
no-store, no-cache, must-revalidate
Expires
Caching
Thu, 19 Nov 1981 08:52:00 GMT
Pragma
Caching
no-cache

Content Headers

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

Server Headers

2 headers
Server
Server
nginx
X-Powered-By
Server
PleskLin

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
PrestaShop-502fea7c9830b668a9b9b3bacd6b9dac=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; expires=Sun, 08-Feb-2026 18:37:09 GMT; Max-Age=1728000; path=/; domain=shop.dfiav.de; secure; HttpOnly

Other Headers

1 headers
Date
Other
Mon, 19 Jan 2026 18:37:09 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

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