DNS Gurus
Cached · just now
79/100 SECURITY SCORE

Certificate Information

Subject
CN=*.prod.phx3.secureserver.net
Issuer
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., OU=http://certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
Valid From
March 09, 2026
Valid Until
September 23, 2026 42 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
5F:C8:4C:4A:62:4A:F8:48:A7:54:0B:26:44:4D:7E:83:3B:78:6F:EE:2D:05:ED:EA:32:A8:E3:4F:20:EA:E6:E5
Alternative Names
2 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