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SECURITY SCORE
Certificate Information
Subject
CN=admin.nest.com
Issuer
C=US, O=Google Trust Services, CN=WR4
Valid From
October 23, 2025
Valid Until
January 20, 2026
74 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C8:9D:79:65:A3:9D:22:59:29:1E:20:ED:3C:2F:40:45:45:7B:FF:BC:1C:C2:F0:B7:CA:80:66:8E:3E:72:90:0D
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
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