Open
Cached
·
just now
92/100
SECURITY SCORE
Certificate Information
Subject
CN=alarmmassan.se
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
December 03, 2025
Valid Until
January 01, 2027
363 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0C:D9:AD:06:D0:9B:61:4D:41:F1:43:BC:55:DB:99:20:32:74:73:7E:89:A0:E4:74:2A:D7:1E:C2:EF:57:A3:80
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Good
default-src; base-uri; object-src; +8 more
default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'none'; img-src 'self' data: https://www.google-analytics.com https://api.alarmmassan.se; script-src 'self' 'unsafe-inline' https://www.googletagmanager.com; style-src 'self' 'unsafe-inline'; font-src 'self' data:; connect-src 'self' https://api.alarmmassan.se https://*.execute-api.eu-north-1.amazonaws.com https://www.google-analytics.com https://region1.google-analytics.com https://www.googletagmanager.com https://sentry.io https://*.ingest.sentry.io; form-action 'self' https://api.alarmmassan.se; frame-src 'self' https://www.youtube.com https://www.google.com https://maps.google.com;
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Strengthen CSP by removing 'unsafe-eval'
- • Consider adding Permissions-Policy to control browser features
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