DNS Gurus
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17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Basic
frame-ancestors; report-uri; base-uri; +2 more
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

0 headers
No caching headers found

Content Headers

1 headers
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=mMMU_DHi97IKeTqLOMBtOCEuIU6twSwTMCz58XnxqzU-1769352397-1.0.1.1-S00_KVoQdXfZIhL1IfCrD60vrlA6JjgiClSFWNirU7_DBRwayERj_4R77sOOGLAqV.k49XZD33xYi9HdVlnoIQNdH8EHBxl8gL1Y6bhlpj4; path=/; expires=Sun, 25-Jan-26 15:16:37 GMT; domain=.flexline.app; HttpOnly; Secure; SameSite=None

Other Headers

5 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Ray
Other
9c388fa3bdc9394a-IAD
Date
Other
Sun, 25 Jan 2026 14:46:37 GMT
X-Deployment-Id
Other
a0b3de4d66de549f655cd50955e9ffb45b74f95994dd9ae2301f46520b7301b0
X-Robots-Tag
Other
all

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching