DNS Gurus
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11 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=35768000
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Present
ALLOW-FROM https://web.telegram.org
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
  • • Significantly strengthen CSP directives
  • • 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

1 headers
Connection
Performance
close

Caching Headers

2 headers
Cache-Control
Caching
no-store
Pragma
Caching
no-cache

Content Headers

2 headers
Content-Length
Content
11309
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
nginx/1.18.0

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
stel_ssid=b1bc7e112901221f43_5726968425056159230; expires=Tue, 13 Jan 2026 04:04:42 GMT; path=/; samesite=None; secure; HttpOnly

Other Headers

1 headers
Date
Other
Mon, 12 Jan 2026 04:04:42 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance