Open
Cached
·
just now
60/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=fax.plus
Issuer
C=US, O=Let's Encrypt, CN=R10
Valid From
October 21, 2024
Valid Until
January 19, 2025
Expired
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
83:97:8E:DA:91:B3:2D:A8:49:47:3D:F7:DA:88:D9:CA:AC:7A:AA:90:46:77:8B:06:62:2B:BE:C0:84:5D:03:2F
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