92/100 SECURITY SCORE

Certificate Information

Subject
CN=auth.smashfly.com
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
January 02, 2026
Valid Until
April 02, 2026 70 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
D6:13:10:AD:46:68:C5:7D:22:D1:E9:C2:B9:F3:09:FA:38:5C:3C:5A:53:C7:3A:8D:EB:27:8F:45:56:A2:8F:9F
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
Present
max-age=31536000; preload
Content-Security-Policy
Weak
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Present
geolocation=(self "https://example.com"), microphone=()
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Significantly strengthen CSP directives

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
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

1 domain