SOA
Start of Authority
Primary NS
Mailbox
sai-sm.sainet.or.jp
Serial
2026070201
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:210.236.40.236 ip4:210.236.50.38 ip4:210.236.32.0/20 a:triphony.com include:spf.securemx.jp include:spf.ka-ruku.com mx ~all
A