Cached · just now
96/100 SECURITY SCORE

Certificate Information

Subject
CN=osl.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
April 20, 2026
Valid Until
July 19, 2026 78 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
04:4B:C6:C4:6D:2A:9A:D7:0D:B2:37:EA:38:F5:AB:3C:29:36:E8:E2:4B:C2:15:A9:FA:B5:C5:46:B0:76:23:B3
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=63072000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; connect-src; script-src; +7 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Present
ALLOW-FROM trade-hk-qa.osltest.com glb.osl.com www.osl.com glb.oslgroup.net
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), geolocation=(), microphone=()
Recommendations
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'

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
  • You have authorized 6 CAs - consider limiting to only the CAs you actively use
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

3 domains