| Date | IP Address |
| 2021-02-28 | 52.237.22.75 (ClassC) |
| 2026-01-27 | 20.220.11.210 (ClassC) |
| Date | Domain | IP |
| ns2.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| mail5.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| mx5.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| mail6.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| barracuda.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| comune.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| mail.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| smtp.mail.municipalengineers.on.ca | 2025-12-20 | 20.220.11.210 |
| ftp.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| postmaster.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |
| internet.municipalengineers.on.ca | 2025-12-20 | 20.220.11.210 |
| a.mx.municipalengineers.on.ca | 2026-01-27 | 20.220.11.210 |