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just now
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SECURITY SCORE
Certificate Information
Subject
CN=sth.sh
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
December 13, 2025
Valid Until
March 13, 2026
59 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
DB:E3:5F:DC:20:F2:9F:90:EE:CB:53:4F:3D:32:72:C0:DA:DD:BC:F7:62:2E:67:2E:9D:6C:5F:CB:EB:4C:04:01
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
Good
default-src; script-src; style-src; +5 more
default-src 'none'; script-src 'self' https://d.line-scdn.net https://www.google-analytics.com https://ajax.cloudflare.com https://static.cloudflareinsights.com https://www.googletagmanager.com; style-src 'self' 'unsafe-inline' https://d.line-scdn.net https://fonts.googleapis.com; img-src 'self' data: https://d.line-scdn.net https://www.google-analytics.com; font-src 'self' https://fonts.gstatic.com; frame-src https://social-plugins.line.me; manifest-src 'self'; connect-src 'self' https://www.google-analytics.com;
X-Frame-Options
Excellent
deny
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Present
fullscreen=(), geolocation=()
Recommendations
- • Strengthen CSP by removing 'unsafe-eval'
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Wildcard CAs
ssl.com
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 5 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts