| Date | IP Address |
| 2021-02-03 | 166.62.108.22 (ClassC) |
| 2024-08-21 | 45.40.149.113 (ClassC) |
| 2025-01-16 | 34.174.152.72 (ClassC) |
| Date | Domain | IP |
| auth.nnrc.com | 2023-12-18 | 45.40.149.113 |
| antispam.nnrc.com | 2024-08-21 | 45.40.149.113 |
| authsmtp.nnrc.com | 2024-07-29 | 45.40.149.113 |
| a.mx.nnrc.com | 2024-07-28 | 45.40.149.113 |