SSL Verification Bypassed
The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.
Reason:
Hostname Mismatch - certificate is issued for postal.k.io, not for mx.postal.k.io
Open
Cached
·
just now
8
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Basic
child-src; connect-src; font-src; +4 more
child-src 'self'; connect-src 'self'; font-src 'self' https: data:; img-src 'self' https: data:; object-src 'none'; script-src 'self'; style-src 'self' https: 'unsafe-inline'
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
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
0 headers
No performance headers found
Caching Headers
0 headers
No caching headers found
Content Headers
2 headers
Content-Length
Content
0
Content-Type
Content
text/html; charset=UTF-8
Server Headers
0 headers
No server headers found
CORS Headers
0 headers
No CORS headers found
Cookies Headers
0 headers
No cookies headers found
Other Headers
2 headers
X-Download-Options
Other
noopen
X-Permitted-Cross-Domain-Policies
Other
none
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching