DNS Gurus
Cached · just now
73/100 SECURITY SCORE

Detected Technologies

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DigiCert logo DigiCert

Certificate Information

Subject
C=US, ST=California, L=Menlo Park, O=Meta Platforms, Inc., CN=*.facebook.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid From
January 14, 2026
Valid Until
April 14, 2026 8 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B6:F0:2A:C0:91:0E:1F:8C:03:25:A7:C2:AD:FB:DD:70:24:CF:BE:55:87:28:72:DA:69:F0:3C:EC:53:DF:5B:34
Alternative Names
11 domains

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • • 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