DNS Gurus
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10 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
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 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
Vary
Performance
Accept-Encoding

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
5344
Content-Type
Content
text/html;charset=UTF-8

Server Headers

1 headers
Server
Server
Mojolicious (Perl)

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

4 headers
Content-Security-Policy-Report-Only
Other
default-src * 'self' data: 'unsafe-inline' 'unsafe-eval'; referrer no-referrer-when-downgrade; upgrade-insecure-requests; block-all-mixed-content; report-uri https://cosmb.report-uri.io/r/default/csp/reportOnly;
Date
Other
Mon, 12 Jan 2026 06:20:23 GMT
Link
Other
</blank.gif>; rel=preload
Public-Key-Pins-Report-Only
Other
report-uri="https://cosmb.report-uri.io/r/default/hpkp/reportOnly"; pin-sha256="YLh1dUR9y6Kja30RrAn7JKnbQG/uEtLMkBgFF2Fuihg="; pin-sha256="Vjs8r4z+80wjNcr1YKepWQboSIRi63WsWXhIMN+eWys="; pin-sha256="sRHdihwgkaib1P1gxX8HFszlD+7/gTfNvuAybgLPNis="; pin-sha256="C5+lpZ7tcVwmwQIMcRtPbsQtWLABXhQzejna0wHFr8M="; pin-sha256="47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU="; max-age=3600

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching