Open
Cached
·
just now
96/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=seatsurfing.io
Issuer
C=US, O=Let's Encrypt, CN=YR2
Valid From
June 20, 2026
Valid Until
September 18, 2026
47 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
23:16:44:C1:BE:29:3E:CE:B1:6A:A7:1C:13:9D:89:4C:22:89:34:68:58:CD:41:4D:65:00:4A:ED:06:7E:29:21
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
Present
max-age=15552000; includeSubDomains
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(), camera=(), geolocation=(); +5 more
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance