| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 2550.cn | SOA | 600 | dns7.hichina.com hostmaster@hichina.com 2024090313 3600 1200 86400 600 | |
| 2550.cn | NS | 21600 | dns7.hichina.com | |
| 2550.cn | NS | 21600 | dns8.hichina.com | |
| 2550.cn | A | 600 | 106.15.176.161 | |
| 2550.cn | MX | 600 | 10 | mxbiz2.qq.com |
| 2550.cn | MX | 600 | 5 | mxbiz1.qq.com |
| www.2550.cn | A | 600 | 192.168.1.251 |