DNS Gurus
Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Weak
max-age=0
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

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

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

1 headers
Set-Cookie
Cookies
_csrf=8goNE9K_S-NNb0KOAaQpTOOb; Path=/

Other Headers

10 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b31c78a2edd1ff2-IAD
Date
Other
Wed, 24 Dec 2025 17:22:12 GMT
Nel
Other
{"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To
Other
{"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=LclYGt4HU%2FdzMjq9RuXdyiU1jKGWjfBXRJjdX73tPqo%3D\u0026sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add\u0026ts=1766596932"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=LclYGt4HU%2FdzMjq9RuXdyiU1jKGWjfBXRJjdX73tPqo%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1766596932"
Server-Timing
Other
cfEdge;dur=27,cfOrigin;dur=15
Speculation-Rules
Other
"/cdn-cgi/speculation"
Via
Other
2.0 heroku-router

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

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