DNS Gurus
Open Cached · just now
83/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=California, L=San Jose, O=Cisco Systems Inc., CN=webex.com
Issuer
C=US, O=IdenTrust, OU=HydrantID Trusted Certificate Service, CN=HydrantID Server CA O1
Valid From
April 24, 2025
Valid Until
April 29, 2026 177 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
82:63:92:44:CC:91:F4:55:97:92:91:0A:B5:F7:38:48:1A:0F:FB:59:B2:98:05:75:EF:42:70:E3:80:26:3D:6D
Alternative Names
21 domains

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000 ; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
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-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
Authorized (Matches CAA policy)
Authorized CAs
globalsign.com letsencrypt.org pki.goog amazon.com digicert.com identrust.com
Wildcard CAs
digicert.com identrust.com
Incident Reporting
Recommendations
  • • You have authorized 6 CAs - consider limiting to only the CAs you actively use