| Property | Value |
| Location | San Diego, United States |
| Country | United States |
| Domain | Date |
| www.thelearningcompany.com | 2023-12-22 |
| www.hmheducation.com | 2023-12-21 |
| research.harcourt.com | 2023-12-14 |
| secure.greatsource.com | 2023-12-14 |
| hmheducation.net | 2023-12-13 |
| olp.classzone.com | 2023-12-13 |
| reads.hmhsupplemental.com | 2023-12-13 |
| earobics.com | 2023-12-09 |
| 1wyzas52lg.execute-api.us-east-1.amazonaws.com | 2023-09-30 |