| Date | IP Address |
| 2021-02-12 | 74.85.131.98 (ClassC) |
| 2026-01-20 | 151.101.130.159 (ClassC) |
| Date | Domain | IP |
| mail1.riafcu.com | 2026-01-20 | 151.101.130.159 |
| imap1.riafcu.com | 2026-01-20 | 151.101.130.159 |
| smtp1.riafcu.com | 2026-01-20 | 151.101.130.159 |
| mail12.riafcu.com | 2026-01-20 | 151.101.130.159 |
| mail5.riafcu.com | 2026-01-20 | 151.101.130.159 |
| mail7.riafcu.com | 2026-01-20 | 151.101.130.159 |
| mail8.riafcu.com | 2026-01-20 | 151.101.130.159 |
| mta.riafcu.com | 2026-01-20 | 151.101.130.159 |
| posta.riafcu.com | 2026-01-20 | 151.101.130.159 |
| secure.riafcu.com | 2026-01-20 | 151.101.130.159 |
| po.riafcu.com | 2026-01-20 | 151.101.130.159 |
| smtps.riafcu.com | 2026-01-20 | 151.101.130.159 |
| root.riafcu.com | 2026-01-20 | 151.101.130.159 |
| mailsrv.riafcu.com | 2026-01-20 | 151.101.130.159 |
| mx.riafcu.com | 2026-01-20 | 151.101.130.159 |