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 a ip4:69.30.41.115 ip4:50.76.103.53 ip4:50.201.23.206 ip4:69.160.44.10 ip4:50.201.25.89 ip4:54.186.186.10 ip4:16.144.98.167 include:spf.ess.barracudanetworks.com ~all