| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| doub.ac.cn | SOA | 1800 | serena.ns.cloudflare.com dns@cloudflare.com 2365028387 10000 2400 604800 1800 | |
| doub.ac.cn | NS | 21600 | vern.ns.cloudflare.com | |
| doub.ac.cn | NS | 21600 | serena.ns.cloudflare.com | |
| doub.ac.cn | A | 300 | 104.21.5.198 | |
| doub.ac.cn | A | 300 | 172.67.133.205 | |
| doub.ac.cn | AAAA | 300 | 2606:4700:3036::ac43:85cd | |
| doub.ac.cn | AAAA | 300 | 2606:4700:3035::6815:5c6 | |
| doub.ac.cn | MX | 300 | 0 | doub-ac-cn.mail.protection.outlook.com |