SOA
Start of Authority
Primary NS
Mailbox
root.xserver.jp
Serial
0
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
3600
MX
Mail Exchangers
TXT
TXT Records
98f9d3fe4b604367bc58663e689b1242
v=spf1 ip4:163.44.176.20 ip6:2400:8500:1301:162::20:1 include:mxr.valueserver.jp ~all
A