| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| chal4.com | SOA | 3600 | ns0.portfast.net hostmaster@portfast.net 9 604800 86400 2419200 3600 | |
| chal4.com | NS | 3600 | ns1.portfast.net | |
| chal4.com | NS | 3600 | ns0.portfast.net | |
| chal4.com | NS | 3600 | ns2.portfast.net.uk | |
| chal4.com | MX | 3600 | 0 |