Open
Cached
·
just now
92/100
SECURITY SCORE
Certificate Information
Subject
CN=itbuilder.app
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 21, 2026
Valid Until
April 21, 2026
86 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FF:43:8A:B4:69:7E:95:07:41:A1:9C:F4:C1:91:1F:17:DD:49:95:B8:21:5D:D4:66:57:1B:D2:7C:58:BB:A1:DB
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
Basic
default-src; script-src; style-src; +6 more
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://*.public.blob.vercel-storage.com; font-src 'self'; connect-src 'self' https://*.vercel-storage.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), microphone=(), geolocation=(), interest-cohort=()
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • 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