| Date | IP Address |
| 2021-01-19 | 52.84.53.104 (ClassC) |
| 2021-01-19 | 52.84.53.3 (ClassC) |
| 2024-11-26 | 18.65.229.44 (ClassC) |
| 2025-04-18 | 3.163.24.102 (ClassC) |
| 2025-09-09 | 3.163.24.121 (ClassC) |
| 2025-09-26 | 3.163.24.55 (ClassC) |
| 2025-12-05 | 52.85.129.80 (ClassC) |
| 2026-01-29 | 3.163.24.80 (ClassC) |
| Date | Domain | IP |
| alpha.penseuropemail.com | 2024-08-29 | 3.163.24.55 |
| mta.penseuropemail.com | 2025-07-28 | 3.163.24.55 |
| android.penseuropemail.com | 2025-05-21 | 18.65.229.67 |
| ca-jobapply-linkout-service.penseuropemail.com | 2024-08-30 | 3.163.24.102 |
| chalice-experience-api.penseuropemail.com | 2024-11-26 | 18.65.229.44 |
| mail.penseuropemail.com | 2025-07-16 | 8.33.184.254 |
| 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 | 2025-07-31 | 3.163.24.102 |
| antivirus-nhirer.penseuropemail.com | 2024-10-01 | 3.163.24.80 |
| www.penseuropemail.com | 2024-11-28 | 3.163.24.102 |
| box.penseuropemail.com | 2024-09-24 | 3.163.24.102 |