| Date | IP Address |
| 2020-12-10 | 37.120.161.48 (ClassC) |
| 2026-02-10 | 202.61.248.186 (ClassC) |
| Date | Domain | IP |
| mx20.gropp.org | 2026-02-09 | 202.61.248.186 |
| relay1.gropp.org | 2026-02-09 | 202.61.248.186 |
| ns2.gropp.org | 2025-09-25 | 202.61.248.186 |
| telse.gropp.org | 2026-02-10 | 202.61.248.186 |
| outmail.gropp.org | 2026-02-10 | 202.61.248.186 |
| zmail.gropp.org | 2026-02-10 | 202.61.248.186 |
| domain.gropp.org | 2026-02-10 | 202.61.248.186 |
| mailin.gropp.org | 2026-02-09 | 202.61.248.186 |
| smtpseguro.gropp.org | 2026-02-10 | 202.61.248.186 |
| root.gropp.org | 2026-02-10 | 202.61.248.186 |
| www.gropp.org | 2026-01-03 | 202.61.248.186 |