| Date | IP Address |
| 2016-04-04 | 128.177.96.40 (ClassC) |
| 2016-06-30 | 23.218.156.83 (ClassC) |
| 2016-08-05 | 23.218.156.59 (ClassC) |
| 2017-02-26 | 23.215.99.56 (ClassC) |
| 2017-04-05 | 165.254.94.163 (ClassC) |
| 2018-10-03 | 23.215.99.10 (ClassC) |
| 2018-10-03 | 23.215.99.17 (ClassC) |
| 2019-07-02 | 165.254.94.59 (ClassC) |
| 2024-06-18 | 23.32.75.9 (ClassC) |
| 2025-01-21 | 23.215.176.9 (ClassC) |
| 2025-10-06 | 23.53.122.140 (ClassC) |
| 2025-11-08 | 23.32.75.6 (ClassC) |
| 2026-01-14 | 23.32.75.11 (ClassC) |
| Date | Domain | IP |
| staging.blu.com | 2025-01-05 | 23.46.228.170 |
| image.mail.blu.com | 2024-06-18 | 23.32.75.9 |
| click.mail.blu.com | 2024-03-09 | 23.192.230.5 |
| better.blu.com | 2025-02-06 | 104.46.38.245 |
| link.gr.blu.com | 2025-09-24 | 23.216.147.199 |
| preview.blu.com | 2025-11-24 | 23.216.147.194 |
| www.blu.com | 2024-03-14 | 23.44.175.105 |