DNS Gurus
Cached · just now
19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=63072000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
origin-when-cross-origin
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
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
origin

Caching Headers

3 headers
Cache-Control
Caching
no-cache
Etag
Caching
"142-FKnrcE9JPSIQuxQ8bdM5DPm2ZC8"
Last-Modified
Caching
Thu, 05 Feb 2026 10:01:22 GMT

Content Headers

2 headers
Content-Length
Content
522
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
Heroku

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

5 headers
Date
Other
Tue, 10 Feb 2026 01:50:06 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=XcoxKtwLWnueq05veM4UMS%2F9ftzxYa1DO5ree9FZ%2BaA%3D\u0026sid=812dcc77-0bd0-43b1-a5f1-b25750382959\u0026ts=1770688206"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=XcoxKtwLWnueq05veM4UMS%2F9ftzxYa1DO5ree9FZ%2BaA%3D&sid=812dcc77-0bd0-43b1-a5f1-b25750382959&ts=1770688206"
Via
Other
1.1 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance