DNS Gurus
Cached · just now
54/100 SECURITY SCORE

Detected Technologies

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Let's Encrypt logo Let's Encrypt Active incidents

Certificate Information

Subject
CN=linspacetech.com
Issuer
C=US, O=Let's Encrypt, CN=R3
Valid From
September 10, 2021
Valid Until
December 09, 2021 Expired
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
26:BB:4F:74:35:50:10:21:BC:A8:76:0E:FE:F8:42:96:EF:94:00:E3:76:58:94:23:00:03:83:83:8C:4E:9B:56
Alternative Names
7 domains

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