Open
Cached
·
just now
92/100
SECURITY SCORE
Certificate Information
Subject
C=AU, ST=New South Wales, L=Sydney, O=Campaign Monitor Pty Ltd, CN=*.createsend.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid From
March 02, 2025
Valid Until
March 04, 2026
48 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B4:F5:4B:F0:C6:7A:A6:85:6D:27:C5:90:FF:CA:B6:F7:D7:ED:6C:22:C8:27:E3:B7:0E:BD:9D:04:D3:69:2C:89
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
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
- • 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
Authorized
(Matches CAA policy)
Authorized CAs
godaddy.com
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
amazon.com
sectigo.com
digicert.com
Wildcard CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 7 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts