| Date | IP Address |
| 2021-02-11 | 85.13.137.174 (ClassC) |
| 2024-12-24 | 85.13.134.175 (ClassC) |
| Date | Domain | IP |
| mx01.blade-lutz.com.cn | 2024-11-08 | 85.13.134.175 |
| mx4.blade-lutz.com.cn | 2024-08-12 | 85.13.134.175 |
| mail6.blade-lutz.com.cn | 2024-07-13 | 85.13.134.175 |
| mta.blade-lutz.com.cn | 2024-11-07 | 85.13.134.175 |
| email.blade-lutz.com.cn | 2024-09-15 | 85.13.134.175 |
| mailrelay.blade-lutz.com.cn | 2024-12-24 | 85.13.134.175 |