96/100 SECURITY SCORE

Certificate Information

Subject
CN=*.formstack.com
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
December 18, 2025
Valid Until
January 15, 2027 364 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C5:2E:5E:E0:51:88:3A:A8:4E:BF:F0:69:3E:BC:8D:20:8F:9F:55:DC:3F:7B:B1:6E:C6:FE:A4:20:E4:B6:BB:95
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=31536000; includeSubDomains; preload
Content-Security-Policy
Good
default-src; base-uri; child-src; +10 more
X-Frame-Options
Present
ALLOWALL
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-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
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
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
  • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

2 domains