| Date | IP Address |
| 2021-02-15 | 54.230.209.122 (ClassC) |
| 2024-08-21 | 18.161.6.82 (ClassC) |
| 2025-11-16 | 18.161.6.64 (ClassC) |
| Date | Domain | IP |
| ns1.welks.com | 2024-12-22 | 18.65.229.113 |
| imap2.welks.com | 2024-07-29 | 18.161.6.82 |
| barracuda.welks.com | 2025-02-02 | 18.161.6.46 |
| pbrand.welks.com | 2025-05-08 | 18.161.6.111 |
| mailin.welks.com | 2024-12-22 | 18.65.229.71 |
| authsmtp.welks.com | 2024-08-21 | 18.161.6.82 |
| art.welks.com | 2025-10-10 | 18.161.6.46 |
| a.mx.welks.com | 2024-09-25 | 18.161.6.82 |