SOA
Start of Authority
Primary NS
Mailbox
tech.sakura.ad.jp
Serial
2022052501
Refresh
3600
Retry
900
Expire
3600000
Minimum TTL
3600
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a:www5118.sakura.ne.jp mx ~all
google-site-verification=UnVut9o_hRAID-BN5rnOo9LRLnCiZ-4qox2UU9PnQHE