| Date | IP Address |
| 2019-10-03 | 104.28.12.105 (ClassC) |
| 2024-08-25 | 104.21.6.68 (ClassC) |
| 2025-01-23 | 104.21.48.1 (ClassC) |
| 2025-02-03 | 104.21.16.1 (ClassC) |
| 2025-03-07 | 104.21.80.1 (ClassC) |
| 2025-05-13 | 104.21.64.1 (ClassC) |
| Date | Domain | IP |
| mail.knutsonpublications.com | 2024-03-14 | 172.67.134.147 |