| Date | IP Address |
| 2025-02-21 | 52.18.97.205 (ClassC) |
| 2026-01-29 | 3.163.24.21 (ClassC) |
| Date | Domain | IP |
| auth2.decernis.com | 2026-01-11 | 3.175.34.99 |
| staging-formula.decernis.com | 2025-12-27 | 3.163.24.92 |
| ffd.decernis.com | 2025-07-10 | 63.34.70.199 |
| staging-api.decernis.com | 2026-01-29 | 3.163.24.21 |
| webmail.decernis.com | 2015-03-26 | 96.45.82.74 |
| certificates.decernis.com | 2025-11-02 | 3.163.24.92 |
| staging-certificates.decernis.com | 2026-01-06 | 3.163.24.21 |
| dev-brevis.decernis.com | 2025-08-25 | 99.84.66.97 |
| staging-ews.decernis.com | 2025-12-31 | 3.163.24.12 |
| www.decernis.com | 2024-04-13 | 147.135.154.1 |