| Date | IP Address |
| 2024-12-27 | 50.31.210.85 (ClassC) |
| Date | Domain | IP |
| auth.pittsburghmail.com | 2024-09-19 | 50.31.210.85 |
| eml.pittsburghmail.com | 2024-08-13 | 50.31.210.85 |
| com.pittsburghmail.com | 2024-09-06 | 50.31.210.85 |
| correo.pittsburghmail.com | 2024-10-20 | 50.31.210.85 |
| authsmtp.pittsburghmail.com | 2024-09-04 | 50.31.210.85 |
| dns.pittsburghmail.com | 2024-12-27 | 50.31.210.85 |
| art.pittsburghmail.com | 2024-08-30 | 50.31.210.85 |