Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
C=US, ST=New York, L=New York, O=Outbrain Inc., CN=*.zemanta.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid From
June 23, 2025
Valid Until
June 22, 2026
224 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
C6:1D:36:51:06:B0:5D:54:AC:36:6D:B9:38:FB:4D:3C:D3:B5:EE:96:C7:34:99:CA:E8:0E:25:00:67:15:F1:F3
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
Missing
Not configured
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Content-Type-Options: nosniff
- • 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
amazon.com
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Wildcard CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Incident Reporting
email:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 6 CAs - consider limiting to only the CAs you actively use