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:

Invalid Certificate - the server's certificate is malformed or invalid

Cached · just now
74/100 SECURITY SCORE

Certificate Information

Subject
O=Acme Co, CN=Kubernetes Ingress Controller Fake Certificate
Issuer
O=Acme Co, CN=Kubernetes Ingress Controller Fake Certificate
Valid From
January 15, 2026
Valid Until
January 15, 2027 354 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E8:10:9C:FA:30:7B:31:78:71:BD:50:59:0D:33:94:FA:CE:43:48:CC:C5:5B:D5:75:AF:E2:AF:4F:99:FF:0E:CE
Alternative Names
1 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Weak
max-age=0; includeSubDomains
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

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Not Authorized (Potential misconfiguration)
Authorized CAs
sectigo.com
Wildcard CAs
sectigo.com
CAA Issues
  • • CRITICAL: Current certificate issuer 'O=Acme Co, CN=Kubernetes Ingress Controller Fake Certificate' is NOT authorized by CAA records. Authorized CAs: sectigo.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

1 domain
ingress.local