| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21tech.biz | SOA | 3600 | master.dns.ne.jp tech@sakura.ad.jp 2013050609 3600 900 3600000 3600 | |
| 21tech.biz | NS | 3600 | ns2.dns.ne.jp | |
| 21tech.biz | NS | 3600 | ns1.dns.ne.jp | |
| 21tech.biz | A | 3600 | 112.78.125.198 | |
| 21tech.biz | MX | 3600 | 10 | 21tech.biz |
| www.21tech.biz | A | 3600 | 112.78.125.198 | |
| www.21tech.biz | CNAME | 3600 | 21tech.biz | |
| www.21tech.biz | MX | 3600 | 10 | 21tech.biz |