| Date | IP Address |
| 2024-11-06 | 66.96.131.108 (ClassC) |
| Date | Domain | IP |
| relay2.reynosa.net | 2024-10-21 | 66.96.131.108 |
| remote.reynosa.net | 2024-09-18 | 66.96.131.108 |
| smtpauth.reynosa.net | 2024-10-13 | 66.96.131.108 |
| post.reynosa.net | 2024-11-06 | 66.96.131.108 |
| mailgw.reynosa.net | 2024-09-19 | 66.96.131.108 |
| mbox.reynosa.net | 2024-10-01 | 66.96.131.108 |