| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21b.cn | SOA | 600 | dns9.hichina.com hostmaster@hichina.com 2025010709 3600 1200 86400 600 | |
| 21b.cn | NS | 21600 | dns9.hichina.com | |
| 21b.cn | NS | 21600 | dns10.hichina.com | |
| 21b.cn | A | 600 | 47.114.101.54 | |
| 21b.cn | MX | 600 | 10 | mxw.mxhichina.com |
| 21b.cn | MX | 600 | 5 | mxn.mxhichina.com |
| www.21b.cn | A | 600 | 47.114.101.54 |