Open
Cached
·
just now
95/100
SECURITY SCORE
Certificate Information
Subject
CN=torproject.org
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
September 27, 2025
Valid Until
December 26, 2025
51 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
27:BB:78:3E:50:6E:01:9C:24:2A:CA:89:D4:F8:01:1A:C0:07:EF:59:B0:88:3F:EF:8E:71:FD:36:79:69:21:44
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
Present
max-age=15768000; preload
Content-Security-Policy
Good
default-src; img-src; script-src; +1 more
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • 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)
Authorized CAs
globalsign.com
digicert.com
letsencrypt.org
; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/380377
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider adding 'issuewild' records to control wildcard certificate issuance