| Date | IP Address |
| 2025-01-16 | 172.67.186.61 (ClassC) |
| Date | Domain | IP |
| mail10.professor.co.il | 2024-07-11 | 96.45.83.160 |
| mx0.professor.co.il | 2024-07-08 | 96.45.82.86 |
| smtp01.professor.co.il | 2024-07-10 | 96.45.83.36 |
| mx1.professor.co.il | 2024-07-08 | 96.45.82.86 |
| mail2.professor.co.il | 2024-07-11 | 96.45.82.86 |
| imap2.professor.co.il | 2024-07-15 | 96.45.83.160 |
| smtp2.professor.co.il | 2024-07-06 | 96.45.83.160 |
| relay2.professor.co.il | 2024-07-08 | 96.45.82.86 |
| pop3.professor.co.il | 2024-07-08 | 96.45.83.36 |
| mx3.professor.co.il | 2024-07-11 | 96.45.83.36 |
| mail5.professor.co.il | 2024-07-08 | 96.45.83.160 |
| mail8.professor.co.il | 2024-07-14 | 96.45.83.160 |
| smtp.comune.professor.co.il | 2024-07-05 | 96.45.82.173 |
| webmail.professor.co.il | 2024-07-14 | 96.45.83.160 |
| email.professor.co.il | 2024-07-11 | 96.45.83.36 |
| spam.professor.co.il | 2024-07-10 | 96.45.83.36 |
| antispam.professor.co.il | 2024-07-10 | 96.45.83.160 |
| smtp.professor.co.il | 2024-07-10 | 96.45.83.160 |
| ms.professor.co.il | 2024-07-10 | 96.45.82.173 |
| ns.professor.co.il | 2024-07-05 | 96.45.82.173 |
| www.professor.co.il | 2025-01-16 | 172.67.186.61 |