| Date | IP Address |
| 2025-06-15 | 104.26.3.196 (ClassC) |
| 2025-08-07 | 104.26.2.196 (ClassC) |
| 2026-01-18 | 172.67.75.29 (ClassC) |
| Date | Domain | IP |
| kb.checkmk.com | 2025-09-22 | 45.133.11.28 |
| conference.checkmk.com | 2025-06-03 | 45.133.11.28 |
| blog.checkmk.com | 2025-08-17 | 45.133.11.28 |
| forum.checkmk.com | 2025-06-25 | 45.133.11.10 |
| go.checkmk.com | 2024-06-15 | 199.60.103.228 |
| ideas.checkmk.com | 2025-06-15 | 104.26.3.196 |
| docs.checkmk.com | 2025-08-16 | 45.133.11.27 |
| features.checkmk.com | 2025-08-19 | 45.133.11.28 |
| www.checkmk.com | 2025-06-21 | 45.133.11.28 |
| play.checkmk.com | 2025-08-24 | 18.193.225.110 |