Open
Cached
·
just now
90/100
SECURITY SCORE
Certificate Information
Subject
CN=auth.q4inc.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
December 26, 2025
Valid Until
March 26, 2026
70 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
68:86:A1:E1:1E:FE:D8:2E:AB:14:DA:8C:5B:94:8E:80:84:A4:4A:8E:8C:4B:16:34:D4:AD:2D:B2:15:56:51:20
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=31536000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Present
camera=(self), display-capture=(self), fullscreen=(self), geolocation=(self), microphone=(self), web-share=(self)
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
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