DNS Gurus
Open Cached · just now
89/100 SECURITY SCORE

Certificate Information

Subject
CN=*.frontend.public.atl-paas.net
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
August 06, 2025
Valid Until
September 04, 2026 305 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C0:41:D4:33:A0:8C:B9:C9:8E:19:A6:05:FE:5D:D8:8E:B8:1E:B7:0C:2F:EC:BB:E6:EA:0A:36:18:BA:CF:B6:58
Alternative Names
35 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
Present
max-age=63072000; preload
Content-Security-Policy
Basic
base-uri; default-src; script-src; +11 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • 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
amazon.com
Wildcard CAs
amazon.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts