SOA
Start of Authority
Primary NS
Mailbox
tech.sakura.ad.jp
Serial
2026061001
Refresh
3600
Retry
900
Expire
3600000
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a:sv12418.xserver.jp ip4:154.34.13.191 include:purple-mercury3847.znlc.jp ~all