Open
Cached
·
just now
88/100
SECURITY SCORE
Certificate Information
Subject
CN=lightsonleyden.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
October 26, 2025
Valid Until
January 24, 2026
59 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
30:80:DA:55:6D:06:F1:FD:72:47:6D:40:6A:3C:53:D2:71:A3:F5:62:55:37:0D:7A:80:65:DA:E9:50:0B:56:8F
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
Warnings
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31556926
Content-Security-Policy
Good
default-src; connect-src; script-src; +6 more
default-src 'none'; connect-src 'self' https://*.googleapis.com; script-src 'self' 'unsafe-inline' https://cdn.firebase.com https://*.firebaseio.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://www.google.com/images/cleardot.gif; font-src 'self' data:; manifest-src 'self'; upgrade-insecure-requests; block-all-mixed-content;
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • 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