Cached · just now
97/100 SECURITY SCORE

Certificate Information

Subject
CN=tresorit.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36
Valid From
October 07, 2025
Valid Until
October 07, 2026 257 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
8B:CD:6C:C0:77:F2:68:99:0D:70:B0:5B:6A:20:5D:22:71:40:80:E1:58:00:9C:40:DD:2F:66:3F:4A:41:A8:88
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
Good
default-src; script-src; style-src; +14 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • Strengthen CSP by removing 'unsafe-eval'
  • 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)
Incident Reporting
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • You have authorized 5 CAs - consider limiting to only the CAs you actively use
  • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

2 domains