| Date | IP Address |
| 2021-06-08 | 205.186.179.169 (ClassC) |
| 2025-11-20 | 66.81.203.198 (ClassC) |
| Date | Domain | IP |
| imap2.collinkoetz.com | 2025-11-19 | 66.81.203.198 |
| auth.collinkoetz.com | 2025-11-20 | 66.81.203.198 |
| imap.collinkoetz.com | 2025-09-18 | 66.81.203.198 |
| box.collinkoetz.com | 2025-11-20 | 66.81.203.198 |