| Date | IP Address |
| 2021-04-03 | 14.128.131.189 (ClassC) |
| 2025-06-10 | 183.111.139.228 (ClassC) |
| 2025-12-04 | 203.245.12.124 (ClassC) |
| Date | Domain | IP |
| mx4.jaminkyung.com | 2025-06-22 | 183.111.139.228 |
| mx5.jaminkyung.com | 2025-10-07 | 203.245.12.109 |
| mail7.jaminkyung.com | 2025-06-29 | 183.111.139.228 |
| exchange.jaminkyung.com | 2025-06-10 | 183.111.139.231 |
| m.jaminkyung.com | 2025-06-14 | 203.245.12.124 |
| pop.jaminkyung.com | 2025-06-27 | 183.111.139.231 |
| dns.jaminkyung.com | 2025-06-10 | 183.111.139.228 |
| box.jaminkyung.com | 2025-10-07 | 183.111.139.228 |
| mailrelay.jaminkyung.com | 2025-10-06 | 183.111.139.231 |