| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| i-step.org | SOA | 600 | dns4.tsukuba.ad.jp hostmaster@tsukuba.ad.jp 2024073002 3600 900 604800 3600 | |
| i-step.org | NS | 600 | dns5.tsukuba.ad.jp | |
| i-step.org | NS | 600 | dns4.tsukuba.ad.jp | |
| i-step.org | A | 600 | 153.122.55.131 | |
| i-step.org | MX | 600 | 10 | sv.i-step.org |
| www.i-step.org | A | 600 | 153.122.55.131 |