DNS Gurus
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11 Headers

Detected Technologies from Headers

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Express logo Express

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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

Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

Etag
Caching
W/"755-kJnuq5spynAV6mKA3jDfz4fxOrg"

Content Headers

Content-Length
Content
1877
Content-Type
Content
text/html; charset=utf-8

Server Headers

X-Powered-By
Express logo
Server
Express

CORS Headers

Access-Control-Allow-Origin
Cors
*

Cookies Headers

No cookies headers found

Other Headers

Date
Other
Fri, 27 Mar 2026 04:40:58 GMT
X-Ratelimit-Limit
Other
600
X-Ratelimit-Remaining
Other
599
X-Ratelimit-Reset
Other
1774586519

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