Open
Cached
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just now
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SECURITY SCORE
Certificate Information
Subject
CN=*.calltrackingmetrics.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
October 18, 2025
Valid Until
January 16, 2026
69 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
EA:8E:97:A7:1B:86:5A:B4:C7:C2:D8:6E:39:A3:7D:ED:89:8A:6E:67:DE:0E:F8:49:0B:17:0D:EC:38:A6:7C:D9
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