Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=status.heartmath.org
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
November 03, 2025
Valid Until
February 01, 2026
37 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
C8:DA:43:CC:15:4F:17:6E:36:79:D9:93:A4:B7:43:2A:60:2B:7E:3C:26:A0:C8:CC:61:6A:28:CC:CE:BF:3E:DA
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=31536000; preload
Content-Security-Policy
Weak
upgrade-insecure-requests
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
geolocation=(),midi=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance