| Date | IP Address |
| 2017-09-11 | 52.206.5.58 (ClassC) |
| 2018-09-21 | 35.170.38.145 (ClassC) |
| 2018-10-16 | 52.73.150.41 (ClassC) |
| 2019-07-10 | 52.1.139.87 (ClassC) |
| 2019-09-07 | 54.164.30.114 (ClassC) |
| 2019-11-05 | 3.227.95.184 (ClassC) |
| 2019-12-10 | 3.225.130.92 (ClassC) |
| 2020-01-07 | 18.205.215.166 (ClassC) |
| 2020-01-07 | 3.226.80.19 (ClassC) |
| 2020-01-16 | 107.22.7.136 (ClassC) |
| 2020-04-14 | 54.85.74.112 (ClassC) |
| 2020-05-26 | 52.3.47.176 (ClassC) |
| 2020-05-29 | 52.21.102.70 (ClassC) |
| 2020-08-14 | 35.173.16.166 (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) |
| 2021-01-13 | 52.45.24.152 (ClassC) |
| 2021-01-15 | 52.86.103.204 (ClassC) |
| 2021-01-25 | 52.22.43.91 (ClassC) |
| 2022-06-04 | 18.233.127.108 (ClassC) |
| 2022-06-14 | 52.204.130.217 (ClassC) |
| 2022-10-29 | 52.22.37.84 (ClassC) |
| 2024-07-18 | 107.167.49.3 (ClassC) |
| 2025-08-11 | 107.163.208.84 (ClassC) |
| 2026-02-03 | 13.248.169.48 (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 |