Open
Cached
·
just now
94/100
SECURITY SCORE
Certificate Information
Subject
CN=knowledge.bizzabo.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 07, 2025
Valid Until
March 07, 2026
52 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
3E:57:04:38:26:0F:7E:C7:00:BA:3E:92:CD:4D:91:BA:D8:1F:8D:DB:A8:D7:D5:27:05:07:90:49:28:FD:13:8B
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
Basic
default-src; script-src; style-src; +4 more
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' *.google.com *.clarity.ms *.instana.io *.bizzabo.com https://www.gstatic.com https://cdn.mxpnl.com *.cloudflareinsights.com *.cloudinary.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com *.bizzabo.com; font-src 'self' https://fonts.gstatic.com; frame-src 'self' *.google.com *.cloudinary.com *.bizzabo.com; img-src 'self' data: https://*.clarity.ms https://*.bing.com *.bizzabo.com *.ext.dev.bizzabo.com *.cloudinary.com ; connect-src 'self' *.bizzabo.com https://*.clarity.ms https://eum-blue-saas.instana.io *.google.com
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
clipboard-read=(self), clipboard-write=(self)
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
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