DNS Gurus
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12 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

0 headers
No caching headers found

Content Headers

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

Server Headers

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

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

6 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bd18563391ec990-IAD
Content-Security-Policy-Report-Only
Other
script-src 'nonce-d73071e0-07d2-4cd2-9e1e-8e70f245809d' 'strict-dynamic'; object-src 'none'; base-uri 'none'; report-uri https://slang.report-uri.com/r/d/csp/reportOnly
Date
Other
Tue, 13 Jan 2026 02:39:04 GMT
Nel
Other
{"report_to":"default","max_age":31536000,"include_subdomains":true}
Report-To
Other
{"group":"default","max_age":31536000,"endpoints":[{"url":"https://slang.report-uri.com/a/d/g"}],"include_subdomains":true}

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

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