Open
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just now
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SECURITY SCORE
Certificate Information
Subject
C=AU, ST=New South Wales, L=Sydney, O=Campaign Monitor Pty Ltd, CN=*.createsend1.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid From
August 11, 2025
Valid Until
August 12, 2026
249 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
DC:CA:C4:21:9E:13:AF:B8:6F:BE:7C:A7:11:49:31:C2:66:9A:AE:3C:76:89:42:80:D3:05:ED:F6:79:CB:69: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
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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
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
131 domains
createsend1.com
*.createsend1.com
cmail1.com
*.cmail1.com
cmail10.com
*.cmail10.com
cmail11.com
*.cmail11.com
cmail12.com
*.cmail12.com
cmail13.com
*.cmail13.com
cmail14.com
*.cmail14.com
cmail15.com
*.cmail15.com
cmail16.com
*.cmail16.com
cmail17.com
*.cmail17.com
cmail18.com
*.cmail18.com
cmail19.com
*.cmail19.com
cmail2.com
*.cmail2.com
cmail20.com
*.cmail20.com
cmail21.com
*.cmail21.com
cmail22.com
*.cmail22.com
cmail23.com
*.cmail23.com
cmail24.com
*.cmail24.com
cmail25.com
*.cmail25.com
cmail26.com
*.cmail26.com
cmail27.com
*.cmail27.com
cmail28.com
*.cmail28.com
cmail29.com
*.cmail29.com
cmail3.com
*.cmail3.com
cmail30.com
*.cmail30.com
cmail4.com
*.cmail4.com
cmail5.com
*.cmail5.com
cmail6.com
*.cmail6.com
cmail7.com
*.cmail7.com
cmail8.com
*.cmail8.com
cmail9.com
*.cmail9.com
confirmsubscription.com
*.confirmsubscription.com
createsend10.com
*.createsend10.com
createsend11.com
*.createsend11.com
static.createsend11.com
*.static.createsend11.com
createsend12.com
*.createsend12.com
static.createsend12.com
*.static.createsend12.com
createsend13.com
*.createsend13.com
static.createsend13.com
*.static.createsend13.com
createsend14.com
*.createsend14.com
createsend15.com
*.createsend15.com
createsend16.com
*.createsend16.com
createsend17.com
*.createsend17.com
createsend18.com
*.createsend18.com
createsend19.com
*.createsend19.com
createsend2.com
*.createsend2.com
createsend20.com
*.createsend20.com
createsend21.com
*.createsend21.com
createsend22.com
*.createsend22.com
createsend23.com
*.createsend23.com
createsend24.com
*.createsend24.com
createsend25.com
*.createsend25.com
createsend26.com
*.createsend26.com
createsend27.com
*.createsend27.com
createsend28.com
*.createsend28.com
createsend29.com
*.createsend29.com
createsend3.com
*.createsend3.com
createsend30.com
*.createsend30.com
createsend4.com
*.createsend4.com
createsend5.com
*.createsend5.com
createsend6.com
*.createsend6.com
createsend7.com
*.createsend7.com
createsend8.com
*.createsend8.com
createsend9.com
*.createsend9.com
csd.io
forwardtomyfriend.com
*.forwardtomyfriend.com
Other domains in certificate