Open
Cached
·
just now
93/100
SECURITY SCORE
Certificate Information
Subject
CN=www.geojs.io
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
October 08, 2025
Valid Until
January 06, 2026
45 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
86:49:A8:6F:17:5E:70:A3:46:5F:AF:35:B6:5B:F3:DF:73:2F:30:B8:3D:88:71:74:00:34:FE:60:E1:55:06:A0
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=63072000; includeSubDomains; preload
Content-Security-Policy
Good
default-src; img-src; script-src; +6 more
default-src 'none'; img-src 'self'; script-src 'self' get.geojs.io w.geojs.io/traffic geojs.us14.list-manage.com www.google.com www.gstatic.com; style-src 'self' 'unsafe-inline'; connect-src 'none'; manifest-src 'self'; form-action 'self' geojs.us14.list-manage.com; frame-src www.google.com; frame-ancestors 'none'
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
- • Strengthen CSP by removing 'unsafe-eval'
- • 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