DNS Gurus
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14 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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
Transfer-Encoding
Performance
chunked

Caching Headers

0 headers
No caching headers found

Content Headers

1 headers
Content-Type
Content
text/html

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

9 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b66f9c6dd1fd6d7-IAD
Content-Security-Policy-Report-Only
Other
script-src 'none'; report-uri https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=YGHAntBOoZE3Q5CVjiRtFNFzCPeYu2ywBKSRRRcSFrM-1767154735.177139-1.0.1.1-Ot4_NSJnBf_tFhoMmOIGo4DRDFqnx33RporIuKOQh80TD8UM4jj0exA0xvBGySh0blS80.0Jy05P7zxrA8i_hQXsKfJJ0XoUNwmYLwUSb4NC4f4OSqOPPbLH7n4CXeFC7zFNvdO.RwOYtHVg5LMFgo1wAOPzo4r_RMR6hl5obKT.f2rjeP8se.6rz.inqbQU; report-to cf-csp-endpoint
Date
Other
Wed, 31 Dec 2025 04:18:55 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":"cf-csp-endpoint","max_age":86400,"endpoints":[{"url":"https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=YGHAntBOoZE3Q5CVjiRtFNFzCPeYu2ywBKSRRRcSFrM-1767154735.177139-1.0.1.1-Ot4_NSJnBf_tFhoMmOIGo4DRDFqnx33RporIuKOQh80TD8UM4jj0exA0xvBGySh0blS80.0Jy05P7zxrA8i_hQXsKfJJ0XoUNwmYLwUSb4NC4f4OSqOPPbLH7n4CXeFC7zFNvdO.RwOYtHVg5LMFgo1wAOPzo4r_RMR6hl5obKT.f2rjeP8se.6rz.inqbQU"}]}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=ADNkYOvgMOM0Idx7l4YNO3ROTFQjYfJ%2B0CUCPq8h2C0%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1767154735"
Via
Other
2.0 heroku-router
Www-Authenticate
Other
Basic realm="Restricted"

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching