Open Cached · just now
92/100 SECURITY SCORE

Certificate Information

Subject
CN=packagist.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 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
3B:FD:9D:4F:D8:BE:A0:D8:62:38:4E:FB:20:23:E7:8D:36:E6:C8:D6:AA:58:2C:4A:78:71:12:DD:2E:9D:00:A5
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=31104000
Content-Security-Policy
Basic
default-src; base-uri; block-all-mixed-content; +6 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • 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
  • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

1 domain