Open
Cached
·
just now
88/100
SECURITY SCORE
Certificate Information
Subject
CN=*.marcomadera.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
October 29, 2025
Valid Until
January 27, 2026
26 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
27:4D:2B:D2:DC:D6:3A:EF:88:CD:FC:69:C1:29:70:63:7B:1D:EA:DC:CB:AA:62:21:E3:3C:CD:7B:0E:8E:09:F6
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=63072000
Content-Security-Policy
Basic
default-src; script-src; style-src; +2 more
default-src *; script-src * 'unsafe-eval' 'unsafe-inline'; style-src * 'unsafe-inline'; font-src *; img-src * data:
X-Frame-Options
Excellent
deny
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
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
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