Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=upflow.io
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
December 18, 2025
Valid Until
March 18, 2026
49 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
FE:CE:BD:9E:76:7A:C5:86:38:E3:0A:5A:C4:F6:68:CD:E8:A4:AA:55:C5:E3:30:5B:E1:AA:30:BB:A9:26:84:14
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=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
script-src; object-src; report-uri; +1 more
script-src 'self' 'unsafe-inline' tracking.g2crowd.com tag.clearbitscripts.com x.clearbitjs.com https://app.factors.ai/assets/ b-code.liadm.com https://s3-us-west-2.amazonaws.com/b2bjsstore/ *.intercom.io *.fullstory.com js.intercomcdn.com js.hscta.net cdn.segment.com www.google.com www.gstatic.com www.googletagmanager.com www.google-analytics.com www.googleadservices.com snap.licdn.com js.hs-analytics.net *.hubspot.com *.hs-banner.com *.hs-scripts.com js.knock-ai.com; object-src 'none'; report-uri https://upflow.uriports.com/reports/report; report-to csp-report
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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