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SECURITY SCORE
Certificate Information
Subject
CN=gstransformers.com
Issuer
C=US, O=SSL Corporation, CN=Cloudflare TLS Issuing ECC CA 3
Valid From
November 23, 2025
Valid Until
February 21, 2026
32 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
A6:DB:84:8B:09:24:2A:15:5E:0C:C1:BA:8B:74:2C:0A:B2:96:0C:2A:42:18:87:B1:13:69:C6:08:A9:DB:C2:D3
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=15552000; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Add Content-Security-Policy header to prevent XSS attacks
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Not Authorized
(Potential misconfiguration)
Authorized CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Wildcard CAs
ssl.com
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
CAA Issues
- • CRITICAL: Current certificate issuer 'C=US, O=SSL Corporation, CN=Cloudflare TLS Issuing ECC CA 3' is NOT authorized by CAA records. Authorized CAs: comodoca.com, digicert.com; cansignhttpexchanges=yes, letsencrypt.org, pki.goog; cansignhttpexchanges=yes, ssl.com
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