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SECURITY SCORE
Certificate Information
Subject
CN=a9labs.top
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
November 04, 2025
Valid Until
February 02, 2026
57 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
02:69:8B:BA:D4:53:D0:81:79:49:3F:76:FB:68:F1:D9:77:C7:D3:07:76:15:F8:D6:8E:1E:10:67:40:53:2F:80
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
Warnings
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; script-src; style-src; +5 more
default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline' giscus.app analytics.umami.is; style-src 'self' 'unsafe-inline'; img-src * blob: data:; media-src *.s3.amazonaws.com; connect-src *; font-src 'self'; frame-src giscus.app
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Present
camera=(), microphone=(), geolocation=()
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
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