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 a mx ip4:143.252.80.0/22 include:spf.microsoftonline.com include:aspmx.googlemail.com ip4:207.126.144.0/20 include:spf.postini.com ~all