| Date | IP Address |
| 2019-08-04 | 52.29.200.227 (ClassC) |
| 2025-11-22 | 18.195.217.114 (ClassC) |
| Date | Domain | IP |
| mx01.businessforms.de | 2024-08-15 | 18.185.20.200 |
| relay2.businessforms.de | 2024-07-09 | 3.64.41.176 |
| smtp3.businessforms.de | 2024-07-07 | 3.64.41.176 |
| mx5.businessforms.de | 2024-07-30 | 3.122.142.25 |
| aaa.businessforms.de | 2024-08-26 | 3.77.27.176 |
| aaa.aaa.businessforms.de | 2024-08-26 | 3.77.27.176 |
| gate.businessforms.de | 2024-08-26 | 3.126.128.114 |
| mailgate.businessforms.de | 2024-07-30 | 52.29.234.243 |
| i.businessforms.de | 2024-07-05 | 3.123.46.247 |
| outmail.businessforms.de | 2024-08-26 | 3.77.27.176 |
| antispam.businessforms.de | 2024-08-26 | 54.93.60.69 |
| scan.businessforms.de | 2024-07-02 | 3.123.46.247 |
| smtp.businessforms.de | 2024-08-26 | 3.126.128.114 |
| sniper.businessforms.de | 2024-07-19 | 18.184.111.239 |
| root.businessforms.de | 2024-07-07 | 18.159.86.112 |
| gw.businessforms.de | 2024-08-26 | 3.77.27.176 |
| mailgw.businessforms.de | 2024-07-13 | 3.64.41.176 |
| www.businessforms.de | 2025-11-22 | 18.195.217.114 |
| mailbox.businessforms.de | 2024-08-26 | 54.93.60.69 |
| relay.businessforms.de | 2024-08-26 | 3.77.27.176 |