Open
Cached
·
just now
90/100
SECURITY SCORE
Certificate Information
Subject
CN=status.featureos.app
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
December 08, 2025
Valid Until
March 08, 2026
39 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
81:75:19:E1:B9:A1:46:DA:BD:FD:BD:7D:8B:1A:EC:6F:F5:56:F7:E0:02:0A:89:8F:6F:6F:93:D4:50:7C:3D:41
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=63113904; includeSubDomains; preload
Content-Security-Policy
Basic
base-uri; frame-ancestors; connect-src; +10 more
base-uri *; frame-ancestors *; connect-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; child-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; frame-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; media-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; font-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; form-action *; style-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; script-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; worker-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; img-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'; default-src * 'unsafe-inline' 'unsafe-eval' data: blob: 'unsafe-hashes'
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(), autoplay=(), camera=(), encrypted-media=(), fullscreen=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=*, usb=()
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
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