| Date | IP Address |
| 2021-01-20 | 65.36.162.210 (ClassC) |
| 2026-03-04 | 74.43.121.30 (ClassC) |
| Date | Domain | IP |
| hrweb.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| hb.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| opensource.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| km.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| imap.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| dmp.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| pop.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| authsmtp.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| nameserver.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| sirius.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| chat.landmarksociety.org | 2026-03-04 | 74.43.121.30 |
| www.landmarksociety.org | 2015-01-23 | 104.28.11.69 |