90/100 SECURITY SCORE

Certificate Information

Subject
CN=sourceforge.net
Issuer
C=US, O=Let's Encrypt, CN=YE1
Valid From
August 12, 2026
Valid Until
November 10, 2026 86 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
F5:73:56:5B:E8:A4:3C:71:B0:89:04:5B:C3:6A:10:87:95:28:C2:3C:F9:EA:60:E1:08:61:8C:6C:65:C1:4B:54
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
upgrade-insecure-requests; form-action; fenced-frame-src; +5 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Present
geolocation=(), microphone=(), camera=(); +4 more
Recommendations
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)

CAA Records (Certificate Authority Authorization)

CAA Records
Not Configured (Any CA can issue certificates)
CAA Issues
  • No CAA records configured - any CA can issue certificates
Recommendations
  • Implement CAA records to restrict which CAs can issue certificates for your domain
  • This adds an extra layer of security against unauthorized certificate issuance
  • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • Consider adding 'iodef' record to receive security incident reports

Subject Alternative Names

2 domains