| Date | IP Address |
| 2021-02-03 | 163.172.7.97 (ClassC) |
| 2026-02-17 | 51.159.76.133 (ClassC) |
| Date | Domain | IP |
| barracuda.woollenhearted.com | 2025-12-14 | 51.159.76.133 |
| auth.woollenhearted.com | 2026-02-17 | 51.159.76.133 |
| antispam.woollenhearted.com | 2025-06-28 | 51.159.76.133 |
| a.mx.woollenhearted.com | 2025-06-23 | 51.159.76.133 |
| box.woollenhearted.com | 2025-12-14 | 51.159.76.133 |