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 ip4:50.204.203.192/26 ip4:69.175.80.20/32 ip4:68.71.251.176/28 ip4:68.71.248.118/32 include:us._netblocks.mimecast.com ~all
A