SOA
Start of Authority
Primary NS
Mailbox
tech.sakura.ad.jp
Serial
2019122801
Refresh
3600
Retry
900
Expire
3600000
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a:www2561.sakura.ne.jp ip4:160.16.73.140 ip6:2001:e42:102:1512:160:16:73:140 -all
A