| Date | IP Address |
| 2017-09-11 | 52.206.5.58 (ClassC) |
| 2019-07-10 | 52.1.139.87 (ClassC) |
| 2019-09-07 | 54.164.30.114 (ClassC) |
| 2019-12-10 | 3.225.130.92 (ClassC) |
| 2020-01-16 | 107.22.7.136 (ClassC) |
| 2020-05-29 | 52.21.102.70 (ClassC) |
| 2020-10-07 | 52.202.233.186 (ClassC) |
| 2020-12-10 | 34.233.8.20 (ClassC) |
| 2021-01-08 | 34.197.133.186 (ClassC) |
| 2021-01-15 | 52.86.103.204 (ClassC) |
| 2021-01-25 | 52.22.43.91 (ClassC) |
| 2022-10-29 | 52.22.37.84 (ClassC) |
| 2024-07-18 | 107.167.49.3 (ClassC) |
| 2025-08-03 | 107.163.208.84 (ClassC) |
| Date | Domain | IP |
| smtp2.btcyo.com | 2025-05-20 | 107.163.208.84 |
| server2.btcyo.com | 2025-05-07 | 107.163.208.84 |
| smtp3.btcyo.com | 2025-05-16 | 107.163.208.84 |
| secure.btcyo.com | 2025-05-07 | 107.163.208.84 |
| mailhost.btcyo.com | 2025-04-26 | 107.163.208.84 |