DNS Gurus
Cached · just now
79/100 SECURITY SCORE

Detected Technologies

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DigiCert logo DigiCert

Certificate Information

Subject
C=US, ST=Missouri, L=O'Fallon, O=MasterCard International Incorporated, CN=stage.mastercard.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid From
December 17, 2025
Valid Until
January 07, 2027 84 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
47:D6:C8:C1:6E:6B:28:C5:2D:B2:A0:AC:36:24:B5:DC:9E:09:0A:8B:F0:54:BF:AA:79:3B:27:1D:41:31:6A:AE
Alternative Names
25 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