| Date | IP Address |
| 2020-12-02 | 134.0.8.99 (ClassC) |
| 2026-01-24 | 217.76.156.252 (ClassC) |
| Date | Domain | IP |
| relay2.thisisig.com | 2025-09-21 | 217.76.156.252 |
| mta.thisisig.com | 2025-09-15 | 217.76.156.252 |
| webmail.thisisig.com | 2025-08-25 | 217.76.156.252 |
| outmail.thisisig.com | 2025-09-14 | 217.76.156.252 |
| newmail.thisisig.com | 2025-11-01 | 217.76.156.252 |
| zmail.thisisig.com | 2025-08-28 | 217.76.156.252 |
| spam.thisisig.com | 2025-09-16 | 217.76.156.252 |
| antispam.thisisig.com | 2025-12-13 | 217.76.156.252 |
| smtpseguro.thisisig.com | 2026-01-24 | 217.76.156.252 |
| root.thisisig.com | 2025-09-19 | 217.76.156.252 |
| gw.thisisig.com | 2025-09-14 | 217.76.156.252 |
| www.thisisig.com | 2025-09-17 | 217.76.156.252 |