DNS Gurus
Cached · just now
19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=63072000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • 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

2 headers
Cache-Control
Caching
public, max-age=0
Last-Modified
Caching
Fri, 19 Dec 2025 03:33:02 GMT

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

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
9be362696ef3d8b4-IAD
Date
Other
Thu, 15 Jan 2026 06:40:55 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":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=41BcNepyo4YmtzDouKRGh5HX3OJWn%2FA1Co3VrvscOSc%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1768459255"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=41BcNepyo4YmtzDouKRGh5HX3OJWn%2FA1Co3VrvscOSc%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1768459255"
Server-Timing
Other
cfEdge;dur=8,cfOrigin;dur=4
Via
Other
2.0 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology