Open
Cached
·
just now
80/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
C=US, ST=Missouri, L=O'Fallon, O=MasterCard International Incorporated, CN=www.mastercard.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid From
January 21, 2026
Valid Until
February 09, 2027
125 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
27:D8:50:44:67:31:45:65:89:88:35:3E:7F:22:B1:5E:16:68:19:BD:5C:A6:6C:C8:74:F5:40:D1:50:BA:29:A2
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
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • 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
Subject Alternative Names
76 domains
mastercard.com.au
www.mastercard.com.au
mastercard.co.id
www.mastercard.co.id
mastercard.co.il
www.mastercard.co.il
mastercard.co.in
www.mastercard.co.in
mastercard.co.jp
www.mastercard.co.jp
mastercard.co.ke
www.mastercard.co.ke
mastercard.co.kr
www.mastercard.co.kr
mastercard.co.nz
www.mastercard.co.nz
mastercard.co.th
www.mastercard.co.th
mastercard.co.uk
www.mastercard.co.uk
mastercard.co.ve
www.mastercard.co.ve
mastercard.co.za
www.mastercard.co.za
eu.mastercard.com
www.mastercard.com
mastercard.com.ar
www.mastercard.com.ar
mastercard.com.bh
www.mastercard.com.bh
mastercard.com.br
www.mastercard.com.br
mastercard.com.bz
www.mastercard.com.bz
mastercard.com.cn
www.mastercard.com.cn
mastercard.com.co
www.mastercard.com.co
mastercard.com.cy
www.mastercard.com.cy
mastercard.com.eg
www.mastercard.com.eg
mastercard.com.ge
www.mastercard.com.ge
mastercard.com.gt
www.mastercard.com.gt
mastercard.com.hk
www.mastercard.com.hk
mastercard.com.kw
www.mastercard.com.kw
mastercard.com.lb
www.mastercard.com.lb
mastercard.com.mt
www.mastercard.com.mt
mastercard.com.mx
www.mastercard.com.mx
mastercard.com.my
www.mastercard.com.my
mastercard.com.ng
www.mastercard.com.ng
mastercard.com.pe
www.mastercard.com.pe
mastercard.com.ph
www.mastercard.com.ph
mastercard.com.sa
www.mastercard.com.sa
mastercard.com.sg
www.mastercard.com.sg
mastercard.com.tr
www.mastercard.com.tr
mastercard.com.tw
www.mastercard.com.tw
mastercard.com.ve
www.mastercard.com.ve
mastercard.com.vn
www.mastercard.com.vn
Other domains in certificate