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 M02
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
A8:9D:44:48:C8:79:30:A8:BB:4B:7E:89:4A:62:65:8C:C5:FC:4E:4D:A5:AF:78:84:91:FA:25:07:5B:57:9C:1F
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 digicert.com ; account=c2eb0f50ca113d7543d58a10f523d0469ff922f115e5e4e9056f3d5f87d3356c globalsign.com letsencrypt.org pki.goog
Wildcard CAs
pki.goog amazon.com digicert.com ; account=c2eb0f50ca113d7543d58a10f523d0469ff922f115e5e4e9056f3d5f87d3356c globalsign.com letsencrypt.org
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
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts