DNS Gurus
Cached · just now
82/100 SECURITY SCORE

Detected Technologies

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Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=atb.life
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 15, 2026
Valid Until
May 16, 2026 83 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
2E:42:3B:23:62:A7:59:8A:6C:F5:4C:4F:36:EA:58:84:D1:F1:6C:F8:50:CC:CC:7B:47:E2:BF:CA:1E:31:AD:71
Alternative Names
90 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

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