| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 4osclass.net | SOA | 900 | dns1.yandex.net dns-hosting@yandex.ru 21 900 90 86400 900 | |
| 4osclass.net | NS | 900 | dns1.yandex.net | |
| 4osclass.net | NS | 900 | dns2.yandex.net | |
| 4osclass.net | A | 1482 | 91.210.169.120 | |
| 4osclass.net | MX | 21600 | 10 | mail.4osclass.net |
| 4osclass.net | MX | 21600 | 20 | mx.yandex.net |
| www.4osclass.net | A | 21600 | 91.210.169.120 | |
| www.4osclass.net | CNAME | 21599 | 4osclass.net | |
| www.4osclass.net | MX | 21600 | 10 | mail.4osclass.net |
| www.4osclass.net | MX | 21600 | 20 | mx.yandex.net |