DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
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 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=Tue, 26-Jan-2027 09:17:37 GMT; path=/; port=443; secure

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c3eeb1b8efc0a91-IAD
Date
Other
Mon, 26 Jan 2026 09:17:38 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=7CvYx31joSihUZMxRVaq8T3ihix7cguQ9RhtthWOPAKlHMOy6lPqaxtkyexb0%2BxsEpGZyPC7AdIMbKHFhyZz8kji84OpTNBTAQ0LER%2BYl%2FVn8NwBREJsqRmL"}]}
Server-Timing
Other
cfEdge;dur=7,cfOrigin;dur=367

Recommendations

Enable compression (gzip/brotli) to improve performance