| Date | IP Address |
| 2026-02-12 | 173.239.45.5 (ClassC) |
| Date | Domain | IP |
| mail2.mackaysetters.com | 2026-02-12 | 173.239.45.5 |
| mail5.mackaysetters.com | 2026-02-12 | 173.239.45.5 |
| send.mackaysetters.com | 2026-02-12 | 173.239.45.5 |
| authsmtp.mackaysetters.com | 2026-02-12 | 173.239.45.5 |
| cs.mackaysetters.com | 2026-02-12 | 173.239.45.5 |