DNS Gurus

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 *.nbc-agt-s20-staging.playtotv.nbc.com, nbc-agt-s20-staging.playtotv.nbc.com, not for wiki.lean-tech.io

Cached · just now
11 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000 ; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

1 headers
Vary
Performance
Access-Control-Request-Headers

Caching Headers

3 headers
Cache-Control
Caching
no-cache, no-store, max-age=0, must-revalidate
Expires
Caching
0
Pragma
Caching
no-cache

Content Headers

1 headers
Content-Length
Content
34

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

3 headers
Date
Other
Thu, 22 Jan 2026 15:13:24 GMT
X-Exmg-Instance
Other
i-07e3646c40a317ef3
X-Exmg-Timings
Other
391

Recommendations

Enable compression (gzip/brotli) to improve performance