Open
Cached
·
just now
85/100
SECURITY SCORE
Certificate Information
Subject
C=US, ST=Florida, O=The Dun & Bradstreet Corporation, CN=*.bisnode.com
Issuer
C=US, O=Corporation Service Company, CN=Corporation Service Company RSA OV SSL CA 2
Valid From
May 19, 2026
Valid Until
December 03, 2026
190 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6D:05:62:B0:7C:BC:FC:63:AD:CB:01:23:E4:02:AF:9F:59:E2:56:99:15:2B:7D:51:8C:E8:73:A1:5B:5A:B5:90
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Significantly strengthen CSP directives
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports