Open
Cached
·
just now
96/100
SECURITY SCORE
Certificate Information
Subject
CN=www.webo3.ca
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
December 27, 2025
Valid Until
March 27, 2026
45 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
FF:AF:03:12:40:5E:97:86:66:4E:9D:91:D7:23:4F:D2:12:44:99:4C:59:78:47:B6:BF:E5:15:12:78:C1:9F:B6
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
Strong
default-src; style-src; script-src; +6 more
default-src 'self'; style-src 'self' https://cdn.jsdelivr.net/npm/prismjs@1/ https://cdn.jsdelivr.net/npm/clipboard@2/; script-src 'self' https://cdn.jsdelivr.net/npm/prismjs@1/ https://cdn.jsdelivr.net/npm/clipboard@2/ https://analytics.webo3.ca/; font-src 'self' data:; img-src 'self' data:; connect-src 'self' https://analytics.webo3.ca/; object-src 'none'; frame-ancestors 'self'; form-action 'self';
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()
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