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

1 headers
Connection
Performance
close

Caching Headers

3 headers
Cache-Control
Caching
private, no-cache, no-store, must-revalidate
Expires
Caching
-1
Pragma
Caching
no-cache

Content Headers

2 headers
Content-Length
Content
293
Content-Type
Content
application/javascript; charset=utf-8

Server Headers

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

CORS Headers

2 headers
Access-Control-Allow-Headers
Cors
Origin, X-Requested-With, Content-Type, Accept
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

1 headers
Date
Other
Wed, 21 Jan 2026 14:21:53 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

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