SOA
Start of Authority
Primary NS
Mailbox
hostmaster.mastercard.com
Serial
2011012149
Refresh
14400
Retry
3600
Expire
2419200
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:deliverygateways.mastercard.com ~all
facebook-domain-verification=4wxk99y2hz8ra6j0zb0rhisszic6rh
A