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 +a:sv13063.xserver.jp +a:wankoomoi.com +mx include:spf.sender.xserver.jp include:spf-pvg3.baremetal.jp include:spf.w2solution.com ~all
A