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 ip4:49.212.198.53 ip4:52.198.87.178 include:_spf.google.com mx ~all