| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21it.com | SOA | 600 | ns3.dns.com admin@dns.com 1722852473 7200 3600 1209600 1800 | |
| 21it.com | NS | 21600 | ns3.dns.com | |
| 21it.com | NS | 21600 | ns4.dns.com | |
| 21it.com | MX | 3600 | 10 | mxbiz2.qq.com |
| 21it.com | MX | 3600 | 5 | mxbiz1.qq.com |
| www.21it.com | A | 600 | 106.14.77.0 | |
| www.21it.com | CNAME | 600 | s3.21it.com |