| Property | Value |
| Location | Cambridge, United States |
| Country | United States |
| Domain | Date |
| cdn.datafox.com | 2025-07-17 |
| freefile.perf.irs.gov | 2024-08-02 |
| perf.irs.gov | 2024-07-25 |
| cloudapps2.perf.irs.gov | 2024-07-07 |
| efile.perf.irs.gov | 2024-07-07 |
| forms.perf.irs.gov | 2024-07-07 |
| eitc.perf.irs.gov | 2024-06-23 |
| cloudapps.perf.irs.gov | 2024-06-18 |
| www.eitc.perf.irs.gov | 2024-06-02 |
| cloudapps1.perf.irs.gov | 2024-04-11 |
| cloudapps3.perf.irs.gov | 2024-03-29 |
| www.perf.irs.gov | 2024-03-10 |