| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| a4tech.com.cn | SOA | 21600 | ns1.sfn.cn root@ns1.sfn.cn 2024042418 600 120 604800 7200 | |
| a4tech.com.cn | NS | 21600 | ns2.sfn.cn | |
| a4tech.com.cn | NS | 21600 | ns1.sfn.cn | |
| a4tech.com.cn | A | 21600 | 203.166.223.38 | |
| a4tech.com.cn | MX | 600 | 3 | mx1.spamgateway.cn |
| a4tech.com.cn | MX | 600 | 1 | mx.spamgateway.cn |
| www.a4tech.com.cn | A | 21600 | 203.166.223.38 |