DNS Gurus
Cached · just now
12 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

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

0 headers
No caching headers found

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
trainn_locale=en; Path=/; Expires=Tue, 26 Jan 2027 13:25:39 GMT; Secure; SameSite=None

Other Headers

6 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c405669ca14387a-IAD
Content-Security-Policy-Report-Only
Other
default-src 'self'; script-src 'sha256-/9Uk46JfiFHzUqI3iwMHHJZicywnSYFJbvIw/3rTJj8=' 'self' https://assets.portal.trainn.co https://www.google-analytics.com; connect-src https://trainn-production-videos.s3-accelerate.amazonaws.com https://media.trainn.co https://*.api.trainn.co https://*.ingest.sentry.io https://*.ingest.us.sentry.io https://www.google-analytics.com; img-src https://trainn-production-videos.s3-accelerate.amazonaws.com https://trainn-production-public.s3-accelerate.amazonaws.com https://media.trainn.co https://cdn.trainn.co https://img.trainn.co https://*.googleusercontent.com data: https://*.portal.trainn.co https://assets.portal.trainn.co https://www.google-analytics.com https://www.googletagmanager.com; media-src https://trainn-production-videos.s3-accelerate.amazonaws.com https://media.trainn.co blob:; font-src https://assets.portal.trainn.co data: https://fonts.gstatic.com; frame-src https://trainn-production-videos.s3-accelerate.amazonaws.com https://media.trainn.co; style-src 'self' https://assets.portal.trainn.co https://fonts.googleapis.com 'unsafe-inline'; worker-src blob:; child-src blob:; report-uri https://o252526.ingest.us.sentry.io/api/5433701/security/?sentry_key=9978d25e4c124e868581834a99e62367&sentry_environment=production
Date
Other
Mon, 26 Jan 2026 13:25:39 GMT
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=OzdM0hGSKoXqi0mNc8PIjYO1ALACqfZLNDBxCzXHFykwz%2Fg8nfkjfjuGId1F5as6xdYIwEPPgWMuQZDoT%2BGpA6XBMvpdK0hIL4URsUKqguufCnqOuWPG"}]}

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching