DNS Gurus
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16 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

1 headers
Last-Modified
Caching
Fri, 16 Jan 2026 16:53:30 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
__cf_bm=ybnBICCz8l79Z5Vx65iZQzkAkmNpHMr6kGAjSl.5nUo-1768663161-1.0.1.1-l9yrG2zhnjszRbeH3qMpF7zGlLgbPE_lflQi0.1HSWUEyIzM0SpdFp0QZsJVUmEFQBIkPvw.qZlYJrCOwJCID1vGuRr8o9jTFlkZzZdHPis; path=/; expires=Sat, 17-Jan-26 15:49:21 GMT; domain=.aweber.com; HttpOnly; Secure; SameSite=None

Other Headers

6 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bf6d496fe58e14c-IAD
Content-Security-Policy-Report-Only
Other
default-src https: data: blob: wss: android-webview-video-poster: 'unsafe-inline' 'unsafe-eval'; form-action https:; report-to default; report-uri https://sentry.io/api/256178/csp-report/?sentry_key=c2fb05422b2242faaec1d6d8a2a000fc&sentry_environment=&sentry_release=1.2.41
Date
Other
Sat, 17 Jan 2026 15:19:21 GMT
Report-To
Other
{"group": "default", "max_age":86400,"endpoints":[{"https://sentry.io/api/256178/csp-report/?sentry_key=c2fb05422b2242faaec1d6d8a2a000fc&sentry_environment=&sentry_release=1.2.41"}]}

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching