| Date | IP Address |
| 2019-08-22 | 209.85.232.27 (ClassC) |
| 2020-05-15 | 142.250.96.27 (ClassC) |
| 2024-10-17 | 142.250.115.27 (ClassC) |
| 2025-04-12 | 142.251.186.27 (ClassC) |
| 2026-01-27 | 142.250.101.27 (ClassC) |
| Date | Domain | IP |
| mail.poetrycenter.org | 2025-06-11 | 142.251.188.26 |
| webmail.poetrycenter.org | 2024-10-17 | 142.250.115.27 |