Open
Cached
·
just now
91/100
SECURITY SCORE
Certificate Information
Subject
C=US, ST=California, L=San Francisco, O=Dropbox, Inc, CN=*.hellofax.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert TLS RSA SHA256 2020 CA1
Valid From
May 01, 2025
Valid Until
April 14, 2026
93 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AF:CE:B1:4D:6F:7A:B5:54:1C:AA:90:AD:38:98:03:66:99:9C:E5:F6:8B:FA:E5:04:6E:87:CB:60:AE:60:66:3A
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Basic
base-uri; connect-src; frame-ancestors; +5 more
base-uri 'none'; connect-src 'self' https://client-api.arkoselabs.com https://cdn.arkoselabs.com https://www.google-analytics.com https://stats.g.doubleclick.net https://heapanalytics.com https://api.sprig.com/sdk/ https://sentry.io https://d.dropbox.com https://dpiprodesntls.112.2o7.net/b/ss/dpi.prod.esntls/1/JS-2.22.0/ https://www.dropbox.com/amplitude_proxy/ingest_lenient https://*.dropbox.com/log/ux_analytics https://api.fpjs.io https://*.api.fpjs.io https://fp.hellosign.com https://*.arkoselabs.com https://cfl.dropboxstatic.com/static/metaserver/static/pithos/lang/; frame-ancestors 'self'; object-src 'self'; script-src https: https://api.userleap.com https://fpnpmcdn.net https://*.arkoselabs.com 'nonce-au/1KyVpj/SIlYcOmTtppsmT' 'unsafe-inline' 'strict-dynamic'; style-src 'self' https://cdn.arkoselabs.com https://code.ionicframework.com https://*.marketo.com https://fonts.googleapis.com https://*.arkoselabs.com https://cdn.hellosign.com 'unsafe-inline'; report-uri https://app.hellofax.com/csp_report; upgrade-insecure-requests
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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