SOA
Start of Authority
Primary NS
Mailbox
hostmaster.ndd-certification.tokyo
Serial
2026032310
Refresh
3600
Retry
900
Expire
604800
Minimum TTL
1200
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +ip4:59.106.1.0/24 +ip4:3.0.0.0/8 include:spf.protection.outlook.com +ip4:59.106.1.0/24 +ip4:216.230.14.224/27 ~all
A