DNS Gurus
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16 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked

Caching Headers

0 headers
No caching headers found

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

8 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9be208f379ca883c-IAD
Date
Other
Thu, 15 Jan 2026 02:45:05 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=GqANAyYU7gXMbwvYIB7lU%2B%2Ff9O1fHAnZaDzjoDdRZkU%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1768445105"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=GqANAyYU7gXMbwvYIB7lU%2B%2Ff9O1fHAnZaDzjoDdRZkU%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1768445105"
Server-Timing
Other
cfEdge;dur=32,cfOrigin;dur=215
Via
Other
2.0 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching