DNS Gurus
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15 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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
"643792f2-23b"
Last-Modified
Caching
Thu, 13 Apr 2023 05:28:18 GMT

Content Headers

2 headers
Content-Length
Content
571
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
nginx/1.29.1

CORS Headers

3 headers
Access-Control-Allow-Credentials
Cors
True
Access-Control-Allow-Headers
Cors
Content-Type,Authorization
Access-Control-Allow-Origin
Cors
fms-docker5

Cookies Headers

0 headers
No cookies headers found

Other Headers

1 headers
Date
Other
Sun, 08 Feb 2026 21:47:33 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching