| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| core.ac.jp | SOA | 3600 | ns03.21-domain.info root@ns03.21-domain.info 2023072400 3600 900 604800 600 | |
| core.ac.jp | NS | 3600 | ns04.21-domain.info | |
| core.ac.jp | NS | 3600 | ns03.21-domain.info | |
| core.ac.jp | A | 3600 | 153.126.167.125 | |
| core.ac.jp | MX | 3600 | 10 | blackmole24.sakura.ne.jp |
| www.core.ac.jp | A | 3600 | 153.126.167.125 |