| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| bt21.com | SOA | 600 | adns2.naver.com domain@linecorp.com 1728531638 3556 600 86400 3600 | |
| bt21.com | NS | 600 | ns1.naver.jp | |
| bt21.com | NS | 600 | adns1.naver.com | |
| bt21.com | NS | 600 | adns2.naver.com | |
| bt21.com | NS | 600 | ns2.naver.jp | |
| bt21.com | A | 600 | 147.92.242.218 | |
| bt21.com | MX | 3600 | 20 | kr1-aspmx2.worksmobile.com |
| bt21.com | MX | 3600 | 10 | kr1-aspmx1.worksmobile.com |
| www.bt21.com | A | 119 | 147.92.242.218 |