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92/100 SECURITY SCORE

Certificate Information

Subject
CN=app.milkrun.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 02, 2025
Valid Until
January 31, 2026 57 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FD:47:A6:90:C0:33:82:1B:74:EB:BB:25:3B:A1:F3:B9:10:2F:29:DF:BB:6E:9A:19:FB:36:8C:2D:4B:C9:9D:22
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=600 ; includeSubDomains
Content-Security-Policy
Basic
object-src; base-uri; script-src; +4 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
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)
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • You have authorized 4 CAs - consider limiting to only the CAs you actively use
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

1 domain