Open
Cached
·
just now
98/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=status.blockchain.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
May 03, 2026
Valid Until
August 01, 2026
84 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
DF:BE:EF:94:B9:3A:89:7E:79:62:C3:17:8B:36:03:CC:BA:00:A7:5E:A1:25:34:BC:91:75:61:E1:8A:C1:57:8D
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
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
clipboard-write=(self), camera=(), microphone=(); +4 more
Recommendations
- • 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
- • You have authorized 4 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance