DNS Gurus
Open Cached · just now
75/100 SECURITY SCORE

Certificate Information

Subject
CN=sputnik.apisnetworks.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
November 13, 2025
Valid Until
February 11, 2026 81 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
70:68:04:77:7E:25:66:76:E2:BF:FF:74:2C:5C:A1:3C:96:9A:D9:DD:89:AE:6E:74:6A:93:85:40:11:1A:53:B7
Alternative Names
4 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