| Date | IP Address |
| 2023-12-24 | 141.193.213.20 (ClassC) |
| 2024-01-27 | 141.193.213.21 (ClassC) |
| 2024-06-04 | 104.18.37.131 (ClassC) |
| 2024-07-29 | 172.64.150.125 (ClassC) |
| 2025-03-07 | 172.64.149.82 (ClassC) |
| 2025-04-04 | 104.18.38.174 (ClassC) |
| Date | Domain | IP |
| email.mailgun.goproposal.com | 2025-01-09 | 34.102.239.211 |
| help.goproposal.com | 2024-01-12 | 204.246.191.18 |
| app.goproposal.com | 2023-08-16 | 18.130.59.172 |