| Date | IP Address |
| 2021-01-20 | 96.45.83.222 (ClassC) |
| 2025-04-01 | 96.45.82.98 (ClassC) |
| 2025-04-10 | 96.45.82.180 (ClassC) |
| Date | Domain | IP |
| pop3.ypchattanooga.org | 2024-12-24 | 96.45.83.77 |
| smtp.mail.ypchattanooga.org | 2024-12-12 | 96.45.83.77 |
| plus.smtp.mail.ypchattanooga.org | 2024-09-28 | 96.45.83.222 |
| webmail.ypchattanooga.org | 2025-03-31 | 96.45.83.222 |
| pop.ypchattanooga.org | 2025-03-31 | 96.45.83.222 |
| smtp.ypchattanooga.org | 2025-04-01 | 96.45.82.98 |
| securesmtp.ypchattanooga.org | 2024-10-23 | 96.45.82.98 |
| smtp-relay.ypchattanooga.org | 2025-01-29 | 96.45.83.77 |