| Date | IP Address |
| 2021-04-17 | 218.145.65.98 (ClassC) |
| 2025-10-24 | 211.41.79.17 (ClassC) |
| Date | Domain | IP |
| mx5.thana.co.kr | 2025-10-14 | 211.41.79.17 |
| mail7.thana.co.kr | 2025-10-23 | 211.41.79.17 |
| poczta.thana.co.kr | 2025-10-24 | 211.41.79.17 |
| remote.thana.co.kr | 2025-10-24 | 211.41.79.17 |
| newmail.thana.co.kr | 2025-10-23 | 211.41.79.17 |
| eml.thana.co.kr | 2025-10-23 | 211.41.79.17 |
| po.thana.co.kr | 2025-10-23 | 211.41.79.17 |
| direct.thana.co.kr | 2025-10-14 | 211.41.79.17 |
| root.thana.co.kr | 2025-10-23 | 211.41.79.17 |
| mailgw.thana.co.kr | 2025-10-23 | 211.41.79.17 |
| www.thana.co.kr | 2025-10-24 | 211.41.79.17 |