SSL/TLS Analysis for bitbucket.org

Analyzed on November 02, 2025 at 12:30 UTC

Security Score
90 / 100

Certificate Information

Subject
C=US, ST=California, L=San Francisco, O=Atlassian US, Inc., CN=bitbucket.org
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid From
July 30, 2025
Valid Until
August 30, 2026 301 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F7:31:69:1C:76:55:0C:68:DF:83:1B:1D:4A:FC:F4:7D:BB:FF:D4:88:1A:B6:F7:D9:80:D9:DA:B3:0E:0D:80:74
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
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Excellent
deny
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Significantly strengthen CSP directives
  • 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)
Incident Reporting
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • You have authorized 4 CAs - consider limiting to only the CAs you actively use

Subject Alternative Names

1 domain