Open
Cached
·
8h ago
90/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=mangadex.org
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
March 30, 2026
Valid Until
June 28, 2026
54 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
A0:69:52:77:97:81:EC:64:D8:5F:6E:D1:C1:03:E6:E6:7B:E1:E3:2F:D3:1F:C0:6D:8E:6E:B9:0E:32:2F:82:C9
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=63072000; includeSubDomains; preload
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Present
fullscreen=(self)
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
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