mastercard-email.com has no AAAA records.
Apex domains cannot have CNAME records.
Amazon SES
Domain verification
amazonses:cv30zePb5cZIlcNhSz6izBoVyhpf8f4G6vig8yqUKW0=
Amazon SES
Domain verification
amazonses:N+nxB+X8+HrnpONVpU/Legevpbld+7Wm2T2YtvTHL4E=
spf2.0/pra include:cust-senderid.exacttarget.com include:dmx1.bfi0.com include:bfi0.com ip4:184.106.63.60 ip4:184.106.63.61 -all
a1-29.akam.net
Akamai
a18-64.akam.net
Akamai
a22-65.akam.net
Akamai
a26-66.akam.net
Akamai
a7-67.akam.net
Akamai
a9-64.akam.net
Akamai
Zone apex
Start of authority
Email
Serial
2011072602
Refresh
4h
Retry
1h
Expire
28d
Negative cache TTL
5m