| Date | IP Address |
| 2018-05-15 | 219.94.162.226 (ClassC) |
| 2024-11-04 | 162.43.105.31 (ClassC) |
| Date | Domain | IP |
| mail.nakanodent.com | 2024-01-06 | 162.43.105.31 |
| sp.nakanodent.com | 2024-11-04 | 162.43.105.31 |
| ftp.nakanodent.com | 2024-10-16 | 162.43.105.31 |
| www.nakanodent.com | 2024-10-01 | 162.43.105.31 |