| Date | IP Address |
| 2026-02-07 | 104.199.113.44 (ClassC) |
| Date | Domain | IP |
| mx0.rivaaudio.com | 2026-01-26 | 104.199.113.44 |
| ms1.rivaaudio.com | 2025-04-07 | 104.199.113.44 |
| relay1.rivaaudio.com | 2026-01-17 | 104.199.113.44 |
| mx02.rivaaudio.com | 2025-05-12 | 104.199.113.44 |
| mail12.rivaaudio.com | 2025-04-20 | 104.199.113.44 |
| server2.rivaaudio.com | 2026-01-17 | 104.199.113.44 |
| ns2.rivaaudio.com | 2026-01-17 | 104.199.113.44 |
| mx2.rivaaudio.com | 2026-02-07 | 104.199.113.44 |
| relay2.rivaaudio.com | 2025-05-14 | 104.199.113.44 |
| smtp3.rivaaudio.com | 2025-04-29 | 104.199.113.44 |
| barracuda.rivaaudio.com | 2026-02-01 | 104.199.113.44 |
| mailgate.rivaaudio.com | 2026-01-17 | 104.199.113.44 |
| zmail.rivaaudio.com | 2026-01-26 | 104.199.113.44 |
| spam.rivaaudio.com | 2026-01-21 | 104.199.113.44 |
| nation.rivaaudio.com | 2026-02-02 | 104.199.113.44 |
| po.rivaaudio.com | 2025-05-04 | 104.199.113.44 |
| authsmtp.rivaaudio.com | 2026-01-17 | 104.199.113.44 |
| ms.rivaaudio.com | 2025-04-21 | 104.199.113.44 |
| root.rivaaudio.com | 2026-01-17 | 104.199.113.44 |
| post.rivaaudio.com | 2026-01-17 | 104.199.113.44 |
| mx.rivaaudio.com | 2026-02-07 | 104.199.113.44 |
| a.mx.rivaaudio.com | 2025-12-21 | 104.199.113.44 |
| box.rivaaudio.com | 2026-01-17 | 104.199.113.44 |