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92/100 SECURITY SCORE

Certificate Information

Subject
CN=3cx.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
December 07, 2025
Valid Until
March 07, 2026 83 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
5B:87:FF:F8:AB:A1:1C:15:B4:49:32:41:D5:79:DF:C3:63:D3:E3:E5:6C:17:9F:98:2C:6B:4D:44:28:66:7D:38
Alternative Names

Security Configuration

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

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000;
Content-Security-Policy
Weak
object-src; frame-src; frame-ancestors
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
microphone=(self "https://*.3cx.com"), camera=(self "https://*.3cx.com")
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Significantly strengthen CSP directives

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
digicert.com ; cansignhttpexchanges=yes letsencrypt.org pki.goog ; cansignhttpexchanges=yes ssl.com comodoca.com
Wildcard CAs
comodoca.com digicert.com ; cansignhttpexchanges=yes letsencrypt.org pki.goog ; cansignhttpexchanges=yes ssl.com
Incident Reporting
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • You have authorized 5 CAs - consider limiting to only the CAs you actively use

Subject Alternative Names

2 domains