Open
Cached
·
just now
94/100
SECURITY SCORE
Certificate Information
Subject
CN=app.tesis.io
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M03
Valid From
June 21, 2025
Valid Until
July 20, 2026
226 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AF:1C:8D:D5:27:B9:53:3B:96:DE:3B:6F:E8:74:3F:EE:E7:E2:79:5B:94:E5:B4:AF:FB:B5:2F:0C:3C:07:38:1F
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Good
default-src; script-src; connect-src; +5 more
default-src 'self' https://*.tesis.io; script-src 'self' 'unsafe-inline'; connect-src 'self' https://*.tesis.io https://*.sentry.io https://*.tesis.io:5414 wss://*.tesis.io:8081 wss://*.tesis.io ws://*.tesis.io:8081 ws://*.tesis.io; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; style-src-elem 'self' 'unsafe-inline' https://fonts.googleapis.com; img-src 'self' data: https://*.tesis.io https://*.tesis.io:5414; frame-src 'self'; font-src 'self' https://fonts.gstatic.com;
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
fullscreen=(),geolocation=()
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Strengthen CSP by removing 'unsafe-eval'
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