Open
Cached
·
just now
86/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
C=US, ST=Colorado, O=Cable Television Laboratories, Inc, CN=*.cablelabs.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV E36
Valid From
November 10, 2025
Valid Until
December 10, 2026
299 days
Public Key
ECDSA
384 bit
(P-384)
Strong
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
28:D2:FF:BF:16:E0:8F:4F:A6:7D:2E:33:B7:43:72:FE:92:45:8E:99:95:C9:72:2B:6D:AA:EC:C4:E9:77:1B:DE
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31536000;
Content-Security-Policy
Good
default-src; script-src; img-src; +1 more
default-src 'self'; script-src 'self' 'unsafe-inline'; img-src * data:; style-src 'self' 'unsafe-inline';
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • 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