DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Weak
max-age=0; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
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-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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

2 headers
Cache-Control
Caching
no-cache, no-store, must-revalidate, private
Pragma
Caching
no-cache

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
roundcube_cookies=enabled; HttpOnly; expires=Sun, 24-Jan-2027 08:29:02 GMT; path=/; port=443; secure

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c2e29267d99c572-IAD
Date
Other
Sat, 24 Jan 2026 08:29:02 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=vEKoRR5ZFVx46FSyeFrI6TBT3RqFc86R5N34okNKMcrxyShN%2FN8NFYegE%2FS9mh%2Fph0KB11UC%2F%2Bi8kXTBftOoL4QPHQeik130NnwWaeToXUAV0As0"}]}
Server-Timing
Other
cfEdge;dur=12,cfOrigin;dur=933

Recommendations

Enable compression (gzip/brotli) to improve performance