66/100 SECURITY SCORE

Certificate Information

Subject
C=NL, ST=Utrecht, L=Utrecht, O=Ziggo Services B.V., OU=DevOps, CN=mail.ziggo.com
Issuer
C=BM, O=QuoVadis Limited, CN=QuoVadis Global SSL ICA G2
Valid From
November 26, 2019
Valid Until
November 26, 2021 Expired
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
55:CB:DB:1C:F5:1E:66:43:0D:12:AB:1E:45:D1:FD:9E:8A:1D:B8:6C:4D:95:F4:44:B7:F1:D9:CD:6A:49:1A:D8
Alternative Names

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