| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21-civilization.com | SOA | 3600 | ns.admiral.ne.jp postmaster@admiral.ne.jp 2020031820 7200 1800 1209600 1800 | |
| 21-civilization.com | NS | 3600 | ns2.admiral.ne.jp | |
| 21-civilization.com | NS | 3600 | ns.admiral.ne.jp | |
| 21-civilization.com | A | 3600 | 219.118.199.34 | |
| 21-civilization.com | MX | 3600 | 10 | smx04.admiral.ne.jp |
| www.21-civilization.com | A | 3600 | 219.118.199.34 |