| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| dc21.net | SOA | 21600 | dns01.gmoserver.jp hostmaster@dc21.net 2016072902 28800 7200 604800 600 | |
| dc21.net | NS | 600 | dns02.gmoserver.jp | |
| dc21.net | NS | 600 | dns01.gmoserver.jp | |
| dc21.net | A | 600 | 157.7.144.5 | |
| dc21.net | MX | 600 | 10 | mx.dc21.net |
| www.dc21.net | A | 600 | 157.7.144.5 |