DNS Gurus
Cached · just now
14 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
Missing
Not configured
Referrer-Policy
Present
same-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
  • • Add X-Content-Type-Options: nosniff
  • • 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
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires
Caching
Thu, 01 Jan 1970 00:00:01 GMT

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
_cfuvid=MEtImv_k1g4xj5fwO5kV9FGkAdrI7vOPBJskZm0Uoo0-1767326256199-0.0.1.1-604800000; path=/; domain=.12twenty.com; HttpOnly; Secure; SameSite=None

Other Headers

3 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b77554cce47821a-IAD
Date
Other
Fri, 02 Jan 2026 03:57:36 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance