SOA
Start of Authority
Primary NS
Mailbox
awsdns-hostmaster.amazon.com
Serial
1
Refresh
7200
Retry
900
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx ip4:66.133.127.20 ip4:128.177.76.66 ip4:148.66.221.148 ip4:207.224.169.153 include:spf.protection.outlook.com -all
A