| Date | IP Address |
| 2020-01-31 | 13.225.54.85 (ClassC) |
| 2025-01-15 | 3.165.160.39 (ClassC) |
| 2025-03-15 | 99.84.66.30 (ClassC) |
| 2025-04-03 | 18.161.6.69 (ClassC) |
| 2025-09-11 | 52.60.91.151 (ClassC) |
| Date | Domain | IP |
| imap1.mitel.ca | 2024-10-23 | 18.161.6.69 |
| smtp1.mitel.ca | 2024-02-14 | 99.84.66.14 |
| smtp3.mitel.ca | 2024-02-14 | 18.244.214.25 |
| ms1.ca.mitel.ca | 2024-02-21 | 99.84.66.30 |
| barracuda.ca.mitel.ca | 2021-07-29 | 99.84.64.62 |
| auth.mitel.ca.mitel.ca | 2024-04-29 | 18.161.6.67 |
| mailserver.mitel.ca.mitel.ca | 2024-07-04 | 18.161.6.67 |
| po.ca.mitel.ca | 2024-12-24 | 18.161.6.69 |
| ms.ca.mitel.ca | 2024-10-02 | 18.161.6.69 |
| a.mx.ca.mitel.ca | 2025-02-20 | 18.161.6.69 |
| newmail.mitel.ca | 2025-04-07 | 18.161.6.81 |
| antispam.mitel.ca | 2024-07-06 | 18.161.6.81 |
| authsmtp.mitel.ca | 2024-11-14 | 3.165.160.85 |
| fr.mitel.ca | 2024-11-06 | 18.161.6.10 |
| www.mitel.ca | 2025-01-15 | 3.165.160.39 |
| a.mx.mitel.ca | 2025-04-18 | 99.84.66.14 |