| Date | IP Address |
| 2024-11-25 | 44.239.237.2 (ClassC) |
| 2025-09-23 | 52.24.192.26 (ClassC) |
| 2025-10-21 | 50.112.198.229 (ClassC) |
| 2026-01-25 | 34.211.63.207 (ClassC) |
| Date | Domain | IP |
| unsubscribe.spmta.com | 2025-11-15 | 35.164.55.128 |
| go.spmta.com | 2024-11-25 | 44.239.237.2 |
| unsubscribe.eu.spmta.com | 2025-07-13 | 54.73.98.127 |