Cached · just now
81/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=California, O=Apple Inc., CN=applebooks.apple
Issuer
C=US, O=Apple Inc., CN=Apple Public Server RSA CA 1 - G1
Valid From
March 18, 2026
Valid Until
June 16, 2026 70 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4A:E8:32:F8:18:42:BF:DD:1C:C3:1C:5A:06:6B:1B:72:E4:44:6C:88:8E:44:EB:6A:74:5C:B2:9D:D3:32:BD:D7
Alternative Names

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • TLS 1.3 is not supported (recommended)

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Not Authorized (Potential misconfiguration)
Authorized CAs
Wildcard CAs
Incident Reporting
CAA Issues
  • CRITICAL: Current certificate issuer 'C=US, O=Apple Inc., CN=Apple Public Server RSA CA 1 - G1' is NOT authorized by CAA records. Authorized CAs: pki.apple.com
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement