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Cached
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just now
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SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=mailadmin.mailtechy.com
Issuer
C=US, O=Let's Encrypt, CN=YR1
Valid From
July 24, 2026
Valid Until
October 22, 2026
56 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0D:C8:8C:3E:8B:D4:89:0D:12:9F:3C:96:92:56:1D:F5:EA:68:B7:38:99:BE:C0:C0:4D:F6:D5:31:6B:D9:5B:E4
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