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SECURITY SCORE
Certificate Information
Subject
CN=apply.multiplicu.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
December 11, 2025
Valid Until
March 11, 2026
77 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
B4:CD:F5:68:75:A5:01:06:BF:E0:0A:2E:73:75:2C:DA:EF:72:DD:FE:86:B8:ED:0E:97:67:C0:91:21:5B:A7:1D
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
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