Open
Cached
·
just now
92/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=gocardless.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
March 30, 2026
Valid Until
June 28, 2026
62 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
63:9E:C0:F8:90:09:17:26:A4:AD:B0:70:F7:C5:92:E4:13:3B:8A:9A:07:1B:D7:21:0E:4E:12:1C:DD:86:44:7D
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=31556926; includeSubDomains;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Significantly strengthen CSP directives
- • 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
pki.goog
; cansignhttpexchanges=yes
ssl.com
actalis.it
amazon.com
comodoca.com
digicert.com
; cansignhttpexchanges=yes
entrust.net
letsencrypt.org
Wildcard CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 8 CAs - consider limiting to only the CAs you actively use