Open
Cached
·
just now
94/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=blackline.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
April 16, 2026
Valid Until
July 15, 2026
70 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
9B:BE:21:9D:96:B4:50:F9:F6:3F:AC:5E:90:B5:22:0B:CF:A2:EC:A7:0A:EA:E4:A1:AD:78:19:5B:5E:BE:44: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
Present
max-age=15552000; includeSubDomains;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), display-capture=(), fullscreen=(*); +2 more
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 10 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'issuewild' records to control wildcard certificate issuance