Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=lcmgranite.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
December 15, 2025
Valid Until
March 15, 2026
74 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
A8:91:AA:33:88:07:5C:B6:57:65:0B:B4:85:D9:78:E2:39:A1:C2:D8:FE:02:88:17:30:48:16:48:D7:6D:F0:2F
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Weak
upgrade-insecure-requests; block-all-mixed-content; frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(), autoplay=(), camera=(), clipboard-read=(), clipboard-write=(self), display-capture=(), encrypted-media=(), fullscreen=(self), geolocation=(), gyroscope=(), hid=(), idle-detection=(), magnetometer=(), microphone=(), midi=(), payment=(), usb=(), web-share=(), xr-spatial-tracking=(), browsing-topics=()
Recommendations
- • Significantly strengthen CSP directives
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