Open
Cached
·
just now
79/100
SECURITY SCORE
Certificate Information
Subject
CN=de.sitew.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 01, 2025
Valid Until
January 30, 2026
77 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
9E:8A:98:26:59:A0:84:73:CF:BF:77:0A:74:99:32:93:3D:C3:DE:A2:44:48:24:9E:88:DB:BF:7D:AE:A6:61:54
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