| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21science.cn | SOA | 600 | jm1.dns.com admin@dns.com 1738304669 7200 3600 1209600 1800 | |
| 21science.cn | NS | 21600 | jm2.dns.com | |
| 21science.cn | NS | 21600 | jm1.dns.com | |
| 21science.cn | A | 600 | 45.114.127.120 | |
| www.21science.cn | A | 600 | 45.114.127.120 |