DNS Gurus
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12 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=32000000; includeSubDomains; preload;
Content-Security-Policy
Basic
media-src; frame-ancestors; script-src
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked

Caching Headers

1 headers
Cache-Control
Caching
no-cache, private

Content Headers

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

Server Headers

1 headers
Server
Server
nginx

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
core_session=eyJpdiI6IlZ2VDhIMnpDOHhPL21nUisvV0s4TlE9PSIsInZhbHVlIjoiQlpKUjdxRUtTRVdXZ2VsWEhiWDBvamNSaVkrMDRvdnRqTGNQRjBKZkZ0QWlCcW53VUx3YVMxWkd5ZEthVjVZUEpRSmNWNU9PSmRjOG02SVI2ekYvNURLemxBcnRkdWtvNm15N25kQ0VhQmxLU1NGclduYnU4dktPZXNaSXBGWFkiLCJtYWMiOiI1YTU3Nzg1YmRlMzVhZjFiNTgyYTU1YmEyZmQxZDExM2RlODhhNzFmNWZjZjI3ZDVkMmQxYTkyZDVlNjVmM2FjIiwidGFnIjoiIn0%3D; expires=Tue, 27 Jan 2026 00:54:39 GMT; Max-Age=648000; path=/; domain=.corebook.io; secure; httponly; samesite=lax

Other Headers

1 headers
Date
Other
Mon, 19 Jan 2026 12:54:39 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance