DNS Gurus
Cached · just now
23 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
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
Accept-Encoding

Caching Headers

3 headers
Cache-Control
Caching
no-cache
Etag
Caching
W/"916-19b71686650"
Last-Modified
Caching
Tue, 30 Dec 2025 22:37:06 GMT

Content Headers

2 headers
Content-Length
Content
2326
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

8 headers
Date
Other
Fri, 16 Jan 2026 15:24:07 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=gbER9psvaymkMG%2Fi0ocYPefb56f99vFjCrDqan3wuUU%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1768577047"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=gbER9psvaymkMG%2Fi0ocYPefb56f99vFjCrDqan3wuUU%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1768577047"
Via
Other
1.1 heroku-router
X-Dns-Prefetch-Control
Other
off
X-Download-Options
Other
noopen
X-Permitted-Cross-Domain-Policies
Other
none

Recommendations

Enable compression (gzip/brotli) to improve performance