DNS Gurus
Cached · just now
81/100 SECURITY SCORE

Detected Technologies

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DigiCert logo DigiCert Active incidents

Certificate Information

Subject
C=US, ST=Connecticut, L=Greenwich, O=IBG LLC, CN=qa.interactivebrokers.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid From
July 21, 2026
Valid Until
February 02, 2027 119 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
1B:FD:34:5E:B7:2F:89:24:7C:91:B9:C5:DE:F2:E0:F3:08:B1:72:70:73:24:BC:6A:29:23:5D:9D:44:48:52:AA
Alternative Names
36 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

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