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SECURITY SCORE
Certificate Information
Subject
CN=sso.edgeuno.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
December 09, 2025
Valid Until
March 09, 2026
55 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
D7:3A:DA:AF:F3:61:7E:A1:BC:10:05:5D:E4:2A:AA:95:CA:C4:D7:18:68:A5:D9:FC:B9:36:DD:80:9A:80:B9:61
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Good
default-src; img-src; font-src; +4 more
default-src 'self';img-src 'self' https: data:;font-src 'self' https: data:;script-src 'self' *.office.net *.office.com *.microsoft.com *.azure.com *.msedge.net *.office365.com *.msauth.net *.msftauth.net *.live.com;connect-src 'self' https:;style-src 'self' 'unsafe-inline'; frame-src 'self' https:;
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Strengthen CSP by removing 'unsafe-eval'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • 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