SOA
Start of Authority
Primary NS
Mailbox
postmaster.bonnokubo.com
Serial
1709793011
Refresh
3600
Retry
1800
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a:wwwbonnokubocom.sakura.ne.jp mx include:_spf.google.com ~all