Open
Cached
·
just now
95/100
SECURITY SCORE
Certificate Information
Subject
C=US, ST=California, L=South San Francisco, O=Stripe, Inc, CN=*.link.co
Issuer
C=US, O=DigiCert Inc, CN=DigiCert TLS Hybrid ECC SHA384 2020 CA1
Valid From
October 30, 2025
Valid Until
February 12, 2026
73 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
EB:56:A2:00:B9:9D:19:2A:0C:58:C9:8D:21:73:0C:F9:C1:1A:5B:EA:BC:17:97:EC:71:69:A3:EF:17:0D:76:B1
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
Content-Security-Policy
Strong
base-uri; connect-src; default-src; +11 more
base-uri 'none'; connect-src 'self' https://q.stripe.com https://r.stripe.com https://errors.stripe.com https://link-mkt-ssr-statics.corp.stripe.com https://stripe-images.s3.us-west-1.amazonaws.com https://stripe.com/cookie-settings/enforcement-mode https://c.stripe.dev https://c.stripe.global https://c.stripe.partners https://c.increment.com; default-src 'none'; font-src 'self' https://b.stripecdn.com https://link-mkt-ssr-statics.corp.stripe.com; form-action 'none'; frame-ancestors 'none'; frame-src https://b.stripecdn.com; img-src 'self' https://assets.stripeassets.com https://images.stripeassets.com https://link-mkt-ssr-statics.corp.stripe.com https://q.stripe.com; media-src 'self' https://assets.stripeassets.com https://videos.stripeassets.com https://link-mkt-ssr-statics.corp.stripe.com; script-src 'self' https://link-mkt-ssr-statics.corp.stripe.com https://b.stripecdn.com https://stripe.com/source-attribution/imt.js 'report-sample'; style-src 'self' https://link-mkt-ssr-statics.corp.stripe.com https://b.stripecdn.com; worker-src 'none'; upgrade-insecure-requests; report-uri https://q.stripe.com/csp-violation?q=01kaX0wvWfkQbyvA0Opcz8fLJT2rzZp0VIQulI8zHXSK4vICpxE3kw1aF5w5alJ42N5QgA%3D%3D
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • 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
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
Subject Alternative Names
6 domains
link.com
*.link.com
*.fastly.cdn.link.com
*.fastly.cdn.link.co
link.co
*.link.co
Other domains in certificate