| Date | IP Address |
| 2021-01-21 | 67.212.179.162 (ClassC) |
| 2025-05-24 | 172.67.147.186 (ClassC) |
| 2025-11-20 | 104.21.95.201 (ClassC) |
| Date | Domain | IP |
| imap.fosterdv.com | 2025-04-01 | 172.67.147.186 |
| a.mx.fosterdv.com | 2025-03-25 | 104.21.95.201 |
| gateway.fosterdv.com | 2025-05-24 | 172.67.147.186 |