SOA
Start of Authority
Primary NS
Mailbox
cloud-dns-hostmaster.google.com
Serial
1
Refresh
21600
Retry
3600
Expire
259200
Minimum TTL
300
NS
Nameservers
TXT
TXT Records
v=spf1 include:_spf.google.com +a:sv17167.xserver.jp include:spf.sender.xserver.jp ~all
A