| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| knowu.cn | SOA | 600 | dns23.hichina.com hostmaster@hichina.com 2025021817 3600 1200 86400 600 | |
| knowu.cn | NS | 21600 | dns23.hichina.com | |
| knowu.cn | NS | 21600 | dns24.hichina.com | |
| knowu.cn | MX | 600 | 15 | mx3.qiye.aliyun.com |
| knowu.cn | MX | 600 | 10 | mx2.qiye.aliyun.com |
| knowu.cn | MX | 600 | 5 | mx1.qiye.aliyun.com |
| www.knowu.cn | A | 600 | 8.136.101.174 |