DNS Gurus
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13 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
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 X-Content-Type-Options: nosniff
  • • 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

0 headers
No caching headers found

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

7 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bf78bf86b21af78-IAD
Content-Security-Policy-Report-Only
Other
script-src 'none'; report-uri https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=YicjJu2vPzpAv43bE1suhussR4Oiuw9tpJR.CkkMhoM-1768670672-1.0.1.1-gXxA8mamS5JL2uEl8EUN8JS5JyidlxEhxYfocD_ofFk3PkFJCbz.tehP3REj3kMGhZ5kVsJR9qPLZ7MBIinzmhQo8QgnMsGZgUHxZ52Y2Bt1kx97ADuZP_GDmc_N_c0ShRUltsiP6DTJP1lpRXrMwrib5Yokbb06FrrfkEcCxp0dfc9LYoqWtuXEQHRl0fZh; report-to cf-csp-endpoint
Date
Other
Sat, 17 Jan 2026 17:24:32 GMT
Report-To
Other
{"endpoints":[{"url":"https:\/\/csp-reporting.cloudflare.com\/cdn-cgi\/script_monitor\/report?m=YicjJu2vPzpAv43bE1suhussR4Oiuw9tpJR.CkkMhoM-1768670672-1.0.1.1-gXxA8mamS5JL2uEl8EUN8JS5JyidlxEhxYfocD_ofFk3PkFJCbz.tehP3REj3kMGhZ5kVsJR9qPLZ7MBIinzmhQo8QgnMsGZgUHxZ52Y2Bt1kx97ADuZP_GDmc_N_c0ShRUltsiP6DTJP1lpRXrMwrib5Yokbb06FrrfkEcCxp0dfc9LYoqWtuXEQHRl0fZh"}],"group":"cf-csp-endpoint","max_age":86400}
Www-Authenticate
Other
Basic realm="Dexcom Protected Asset"
X-Nf-Request-Id
Other
01KF6FSDVRGGZQKGFW7YTPDR1H

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching