DNS Gurus
Cached · just now
16 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
Good
nosniff
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 Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Vary
Performance
accept-encoding

Caching Headers

1 headers
Cache-Control
Caching
max-age=14400

Content Headers

2 headers
Content-Length
Content
19
Content-Type
Content
text/plain; 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

9 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
MISS
Cf-Ray
Other
9bf0935c18d7dd0c-IAD
Date
Other
Fri, 16 Jan 2026 21:06:15 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=QpOrI5GKImhu2bPCL3HI5pS225vONkvNf1H6O2M3OVk%3D\u0026sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6\u0026ts=1768597575"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=QpOrI5GKImhu2bPCL3HI5pS225vONkvNf1H6O2M3OVk%3D&sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6&ts=1768597575"
Server-Timing
Other
cfEdge;dur=22,cfOrigin;dur=8
Via
Other
2.0 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance