| Date | IP Address |
| 2020-05-22 | 143.204.39.83 (ClassC) |
| 2020-05-22 | 52.85.79.15 (ClassC) |
| 2021-04-24 | 13.227.41.125 (ClassC) |
| 2021-04-24 | 99.84.160.47 (ClassC) |
| 2021-04-24 | 13.227.41.99 (ClassC) |
| 2021-04-24 | 13.227.41.122 (ClassC) |
| 2022-03-25 | 108.159.227.105 (ClassC) |
| 2023-09-23 | 65.8.243.51 (ClassC) |
| 2025-08-25 | 104.18.9.206 (ClassC) |
| 2025-10-14 | 104.18.8.206 (ClassC) |
| Date | Domain | IP |
| beta.portal.cardx.com | 2025-07-26 | 104.18.9.206 |
| sandbox.portal.cardx.com | 2025-08-07 | 104.18.9.206 |
| developer.cardx.com | 2025-06-07 | 104.18.9.206 |
| edge.webhooks.cardx.com | 2024-05-30 | 3.12.78.164 |
| api.status.cardx.com | 2024-11-17 | 104.18.8.206 |
| beta.request.cardx.com | 2025-04-15 | 104.18.8.206 |
| beta.paynow.cardx.com | 2025-04-27 | 104.18.9.206 |
| www.cardx.com | 2025-05-13 | 104.18.8.206 |
| cchistory.sandbox.cardx.com | 2024-08-11 | 18.161.6.129 |
| lightbox.cardx.com | 2025-05-24 | 104.18.8.206 |
| beta.lightbox.cardx.com | 2025-08-28 | 104.18.8.206 |
| api.lightbox.cardx.com | 2025-08-25 | 104.18.9.206 |
| sandbox.lightbox.cardx.com | 2025-07-30 | 104.18.9.206 |