| Property | Value |
| Name | Domain Administrator |
| Organization | McGraw-Hill Global Education Holdings, LLC |
| hostmaster@mheducation.com | |
| Address | 2 Penn Plaza |
| Zip Code | 10121 |
| City | New York |
| State | NY |
| Country | US |
| Phone | +1.6094265291 |
| Fax | +1.6094265291 |
| NameServer | pdns85.ultradns.com |
| Created | 2000-06-08 21:53:21 |
| Changed | 2020-10-21 10:56:25 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2021-02-11 | 54.205.133.155 (ClassC) |
| 2021-02-11 | 34.192.150.202 (ClassC) |
| 2022-01-12 | 18.235.201.41 (ClassC) |
| 2022-01-12 | 54.159.206.67 (ClassC) |
| 2022-08-25 | 18.204.53.62 (ClassC) |
| 2022-08-25 | 34.196.242.55 (ClassC) |
| 2022-12-01 | 52.44.74.64 (ClassC) |
| 2023-01-02 | 3.222.86.218 (ClassC) |
| 2023-01-02 | 18.213.122.237 (ClassC) |
| 2023-03-27 | 52.20.117.46 (ClassC) |
| 2023-03-27 | 34.231.52.173 (ClassC) |
| 2024-04-07 | 54.225.154.194 (ClassC) |
| 2024-04-07 | 52.202.221.91 (ClassC) |
| 2024-05-18 | 35.169.144.42 (ClassC) |
| 2024-05-18 | 52.21.208.179 (ClassC) |
| 2024-06-16 | 34.200.163.162 (ClassC) |
| 2024-06-16 | 3.220.248.187 (ClassC) |
| 2024-08-04 | 54.147.171.189 (ClassC) |
| 2024-08-04 | 34.198.115.198 (ClassC) |
| 2025-05-07 | 54.158.85.117 (ClassC) |
| 2025-05-18 | 54.225.230.11 (ClassC) |
| 2025-06-13 | 3.225.237.167 (ClassC) |
| 2025-06-16 | 34.230.106.250 (ClassC) |
| 2025-07-02 | 54.159.166.161 (ClassC) |
| 2025-09-06 | 54.167.210.206 (ClassC) |
| 2025-09-13 | 54.236.200.25 (ClassC) |
| 2025-09-13 | 52.0.170.224 (ClassC) |
| 2025-10-20 | 44.198.151.57 (ClassC) |
| 2025-11-24 | 98.90.159.154 (ClassC) |