| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| opten.co | SOA | 3600 | dns1.opten.ch postmaster@opten.co 2020091102 3600 3600 691200 3600 | |
| opten.co | NS | 3600 | dns2.opten.ch | |
| opten.co | NS | 3600 | dns1.opten.ch | |
| opten.co | A | 3600 | 193.36.36.110 | |
| opten.co | MX | 3600 | 10 | smtpin1.op10.ch |
| opten.co | MX | 3600 | 20 | smtpin2.op10.ch |
| www.opten.co | A | 3600 | 193.36.36.110 | |
| www.opten.co | CNAME | 3600 | www.opten.ch | |
| www.opten.co | MX | 3600 | 0 | opten-ch.mail.protection.outlook.com |