SOA
Start of Authority
Primary NS
Mailbox
awsdns-hostmaster.amazon.com
Serial
1
Refresh
7200
Retry
900
Expire
1209600
Minimum TTL
86400
NS
Nameservers
TXT
TXT Records
v=spf1 include:spf.protection.outlook.com ip4:52.240.150.170 ip4:52.237.138.167 ip4:209.208.98.51 include:amazonses.com include:spf.mandrillapp.com include:spfa.cpmails.com include:sendgrid.net -all