SOA
Start of Authority
Primary NS
Mailbox
tech.sakura.ad.jp
Serial
2025092001
Refresh
3600
Retry
900
Expire
3600000
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a:www4030.sakura.ne.jp mx ~all
google-site-verification=Cw7MDfs5FTdZH5dL3jclKtF-q9CvQ0ZE7UVZDWaV_lc
A