DNS Gurus
Cached · just now
83/100 SECURITY SCORE

Certificate Information

Subject
CN=www.marqeta.com
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
December 31, 2025
Valid Until
March 31, 2026 70 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
4A:D5:5E:10:35:52:5E:A3:25:9F:0E:7F:EC:5A:5F:2D:A7:34:3D:24:D9:A4:68:62:32:86:BA:BF:5D:85:F6:28
Alternative Names
4 domains

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=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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
globalsign.com visa.com letsencrypt.org digicert.com amazonaws.com
Wildcard CAs
amazonaws.com globalsign.com letsencrypt.org digicert.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • You have authorized 5 CAs - consider limiting to only the CAs you actively use
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

4 domains
marqeta.com www.marqeta.com

Other domains in certificate

marqeta-europe.co.uk www.marqeta-europe.co.uk