| Date | IP Address |
| 2020-10-21 | 23.48.209.233 (ClassC) |
| 2020-10-31 | 184.26.95.67 (ClassC) |
| 2020-11-16 | 23.198.6.52 (ClassC) |
| 2021-07-30 | 104.125.2.120 (ClassC) |
| 2022-09-19 | 104.96.183.26 (ClassC) |
| 2022-09-30 | 23.64.114.23 (ClassC) |
| 2022-10-20 | 96.17.11.8 (ClassC) |
| 2023-07-20 | 23.56.237.110 (ClassC) |
| 2024-02-06 | 184.28.249.71 (ClassC) |
| 2024-06-15 | 23.41.4.84 (ClassC) |
| 2024-08-18 | 23.216.145.14 (ClassC) |
| 2024-08-29 | 104.70.127.140 (ClassC) |
| 2025-08-06 | 104.18.16.32 (ClassC) |
| Date | Domain | IP |
| alpha.penseuropemail.com | 2024-08-29 | 3.163.24.55 |
| mta.penseuropemail.com | 2025-04-12 | 3.163.24.80 |
| android.penseuropemail.com | 2024-10-16 | 3.163.24.121 |
| ca-jobapply-linkout-service.penseuropemail.com | 2024-08-30 | 3.163.24.102 |
| chalice-experience-api.penseuropemail.com | 2024-07-13 | 3.163.24.80 |
| mail.penseuropemail.com | 2025-07-02 | 8.23.247.244 |
| alias-api-sg-email.penseuropemail.com | 2025-04-23 | 3.163.24.55 |
| i.email.penseuropemail.com | 2024-06-15 | 23.41.4.84 |
| autoincemail.penseuropemail.com | 2024-06-03 | 3.163.24.102 |
| authsmtp.penseuropemail.com | 2024-07-01 | 3.163.24.121 |
| antivirus-nhirer.penseuropemail.com | 2024-10-01 | 3.163.24.80 |
| www.penseuropemail.com | 2024-10-10 | 3.163.24.55 |
| box.penseuropemail.com | 2024-09-24 | 3.163.24.102 |