DNS Gurus
Cached · just now
93/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=California, O=Apple Inc., CN=idmsa.apple.com
Issuer
C=US, O=Apple Inc., CN=Apple Public Server RSA CA 1 - G1
Valid From
March 02, 2026
Valid Until
September 15, 2026 138 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FB:6E:6D:3E:C6:A1:44:86:6F:F7:16:27:17:E8:81:B3:73:BF:E2:01:58:3F:CE:AF:D7:6C:E5:FB:F5:2C:E8:2C
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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Good
default-src; connect-src; font-src; +6 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Strengthen CSP by removing 'unsafe-eval'
  • • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Not Configured (Any CA can issue certificates)
CAA Issues
  • • No CAA records configured - any CA can issue certificates
Recommendations
  • • Implement CAA records to restrict which CAs can issue certificates for your domain
  • • This adds an extra layer of security against unauthorized certificate issuance
  • • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • • Consider adding 'iodef' record to receive security incident reports

Subject Alternative Names

1 domain
idmsa.apple.com