| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21seiki-group.co.jp | SOA | 21600 | ns1.21seiki-group.co.jp postmaster@21seiki-group.co.jp 2023113003 10800 900 604800 900 | |
| 21seiki-group.co.jp | NS | 21600 | p75.atw.ne.jp | |
| 21seiki-group.co.jp | NS | 21600 | ns1.21seiki-group.co.jp | |
| 21seiki-group.co.jp | A | 21600 | 112.78.112.64 | |
| 21seiki-group.co.jp | MX | 7782 | 10 | wxa105.wadax-sv.jp |
| www.21seiki-group.co.jp | A | 21600 | 112.78.112.64 |