SOA
Start of Authority
Primary NS
Mailbox
hostmaster.genki.nagoya
Serial
2023070213
Refresh
3600
Retry
900
Expire
604800
Minimum TTL
120
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:163.44.176.13 ip6:2400:8500:1301:162::13:1 include:mxr.valueserver.jp ~all
A