| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| isusystems.com | SOA | 21600 | nsm.hananet.net dnsmaster@hanaro.com 2010050111 10800 1800 604800 43200 | |
| isusystems.com | NS | 21600 | ns.hananet.net | |
| isusystems.com | NS | 21600 | ns2.hananet.net | |
| isusystems.com | MX | 21600 | 10 | isusystems.com |
| www.isusystems.com | A | 21600 | 175.119.100.130 |