SOA
Start of Authority
Primary NS
Mailbox
tech.sakura.ad.jp
Serial
2026052603
Refresh
3600
Retry
900
Expire
3600000
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
google-site-verification=AV-z1TjNz8kol--WBX_80cjob1LVTMs0w3zg1nhsgns
v=spf1 a:www3313.sakura.ne.jp mx ~all