DNS Gurus
Open Cached · just now
79/100 SECURITY SCORE

Certificate Information

Subject
C=CN, ST=Shanghai, O=Alipay.com Co.,Ltd, CN=*.alipay.com
Issuer
C=US, O=DigiCert, Inc., CN=DigiCert Secure Site OV G2 TLS CN RSA4096 SHA256 2022 CA1
Valid From
August 12, 2025
Valid Until
September 05, 2026 287 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E2:BD:B8:6A:1E:91:E6:C4:5D:95:A5:31:B7:70:93:78:54:A2:93:0E:94:94:12:A4:32:DC:15:A2:E2:96:6F:0A
Alternative Names
54 domains

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