| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| pre-u.org | SOA | 21600 | ns-cloud-e1.googledomains.com cloud-dns-hostmaster@google.com 90 21600 3600 259200 300 | |
| pre-u.org | NS | 21600 | ns-cloud-e3.googledomains.com | |
| pre-u.org | NS | 21600 | ns-cloud-e2.googledomains.com | |
| pre-u.org | NS | 21600 | ns-cloud-e1.googledomains.com | |
| pre-u.org | NS | 21600 | ns-cloud-e4.googledomains.com | |
| pre-u.org | MX | 600 | 5 | mxbiz1.qq.com |
| pre-u.org | MX | 600 | 10 | mxbiz2.qq.com |