DNS Gurus
Cached · just now
19 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
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

1 headers
Connection
Performance
close

Caching Headers

0 headers
No caching headers found

Content Headers

1 headers
Content-Length
Content
0

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

4 headers
Access-Control-Allow-Credentials
Cors
true
Access-Control-Allow-Headers
Cors
content-type
Access-Control-Allow-Methods
Cors
GET, POST, PUT, DELETE, OPTIONS, TRACE, PATCH, PURGE, HEAD, QUERY
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

12 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bd6e0d3ef5c23d0-IAD
Date
Other
Tue, 13 Jan 2026 18:15:18 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=jyuApodfVlYo%2BkDqWPy05Y2YkrMnES%2FNI%2FhtA%2BFYY4E%3D\u0026sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add\u0026ts=1768328118"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=jyuApodfVlYo%2BkDqWPy05Y2YkrMnES%2FNI%2FhtA%2BFYY4E%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1768328118"
Server-Timing
Other
cfEdge;dur=41,cfOrigin;dur=15
Via
Other
2.0 heroku-router
X-B3-Sampled
Other
1
X-B3-Spanid
Other
a52fbc50620ab40b
X-B3-Traceid
Other
f3aa1f77c140411a

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching