| Date | IP Address |
| 2020-06-27 | 104.26.14.42 (ClassC) |
| 2024-11-04 | 72.52.178.23 (ClassC) |
| Date | Domain | IP |
| smtp01.cardlinx.org | 2024-11-04 | 72.52.178.23 |
| staging1.cardlinx.org | 2024-11-04 | 72.52.178.23 |
| mail02.cardlinx.org | 2024-09-06 | 72.52.178.23 |
| staging2.cardlinx.org | 2024-09-30 | 72.52.178.23 |
| www.staging2.cardlinx.org | 2024-10-14 | 72.52.178.23 |
| mx4.cardlinx.org | 2024-09-18 | 72.52.178.23 |
| mx5.cardlinx.org | 2024-09-02 | 52.223.13.41 |
| 1831269105134507286.cardlinx.org | 2024-10-29 | 72.52.178.23 |
| barracuda.cardlinx.org | 2024-09-05 | 52.223.13.41 |
| webmail.cardlinx.org | 2024-10-21 | 72.52.178.23 |
| vmail.cardlinx.org | 2024-11-04 | 72.52.178.23 |
| www.pentadatainc.com.cardlinx.org | 2024-10-05 | 72.52.178.23 |
| po.cardlinx.org | 2024-11-04 | 72.52.178.23 |
| mxs.cardlinx.org | 2024-09-17 | 72.52.178.23 |
| test.cardlinx.org | 2024-10-01 | 72.52.178.23 |
| out.cardlinx.org | 2024-09-28 | 72.52.178.23 |
| www.cardlinx.org | 2024-11-04 | 72.52.178.23 |
| mx.cardlinx.org | 2024-10-30 | 72.52.178.23 |
| a.mx.cardlinx.org | 2024-09-03 | 52.223.13.41 |