| Date | IP Address |
| 2024-01-31 | 52.97.144.8 (ClassC) |
| 2024-04-12 | 52.96.164.248 (ClassC) |
| 2024-04-19 | 52.96.164.120 (ClassC) |
| 2024-05-13 | 52.96.164.232 (ClassC) |
| 2024-07-08 | 52.96.91.56 (ClassC) |
| 2024-12-27 | 52.96.164.200 (ClassC) |
| 2025-02-04 | 40.97.205.24 (ClassC) |
| 2025-09-07 | 52.96.164.72 (ClassC) |
| 2025-09-12 | 52.96.113.136 (ClassC) |
| 2026-02-21 | 52.96.113.232 (ClassC) |
| Date | Domain | IP |
| exchange.certifiedallergy.com | 2025-09-07 | 52.170.63.187 |
| mail.certifiedallergy.com | 2025-09-01 | 52.170.63.187 |
| webmail.certifiedallergy.com | 2025-09-01 | 52.170.63.187 |
| autodiscover.certifiedallergy.com | 2024-01-31 | 52.97.144.8 |
| www.certifiedallergy.com | 2025-05-11 | 141.193.213.11 |