Open
Cached
·
just now
93/100
SECURITY SCORE
Certificate Information
Subject
CN=ictteamwork.nl
Issuer
C=AT, O=ZeroSSL, CN=ZeroSSL ECC Domain Secure Site CA
Valid From
November 08, 2025
Valid Until
February 06, 2026
39 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
A0:F6:ED:50:18:42:3B:E2:BD:2E:DB:1E:18:F1:23:DD:E3:56:8F:BC:EB:F0:F4:81:5C:1F:AA:5A:97:56:34:EB
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=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; frame-ancestors; frame-src; +7 more
default-src 'self'; frame-ancestors 'self' https://portal.ictteamwork.nl; frame-src 'self' https://portal.ictteamwork.nl; base-uri 'self'; form-action 'self'; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self'; connect-src 'self';
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
interest-cohort=()
Recommendations
- • 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