Open Cached · 1h ago
89/100 SECURITY SCORE

Certificate Information

Subject
UNKNOWN={:asn1_OPENTYPE, <<19, 2, 85, 83>>}, UNKNOWN={:asn1_OPENTYPE, <<19, 8, 68, 101, 108, 97, 119, 97, 114, 101>>}, UNKNOWN={:asn1_OPENTYPE, <<12, 20, 80, 114, 105, 118, 97, 116, 101, 32, 79, 114, 103, 97, 110, 105, 122, 97, 116, 105, 111, 110>>}, UNKNOWN=4431830, C=US, ST=California, L=San Jose, O=Zscaler, Inc., CN=www.zscaler.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert EV RSA CA G2
Valid From
January 25, 2025
Valid Until
February 23, 2026 89 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AB:D9:17:FA:F1:CA:8D:96:75:2C:B7:52:6C:F4:8A:34:5E:89:82:73:00:4A:35:52:12:A5:C8:44:46:04:31:5C
Alternative Names

Security Configuration

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

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; img-src; script-src; +8 more
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

3 domains