| Date | IP Address |
| 2025-01-06 | 54.166.180.145 (ClassC) |
| 2025-03-25 | 35.173.73.14 (ClassC) |
| 2025-04-29 | 3.220.73.133 (ClassC) |
| 2025-05-27 | 54.158.120.77 (ClassC) |
| 2025-06-09 | 3.214.158.129 (ClassC) |
| 2025-08-16 | 52.206.162.253 (ClassC) |
| 2026-02-05 | 44.223.239.112 (ClassC) |
| Date | Domain | IP |
| web02mx1.s236.flink.robinhood.com | 2025-03-22 | 18.213.69.43 |
| ww1-a4.s236.flink.robinhood.com | 2025-03-26 | 3.218.31.128 |
| qa.s236.flink.robinhood.com | 2025-03-21 | 18.213.69.43 |
| email.qa.s236.flink.robinhood.com | 2025-03-25 | 35.173.73.14 |
| test01smtp.s236.flink.robinhood.com | 2025-03-30 | 3.214.46.231 |