| Property | Value |
| Name | Domain Administrator |
| Organization | McGraw-Hill Global Education Holdings, LLC |
| [email protected] | |
| Address | 2 Penn Plaza |
| Zip Code | 10121 |
| City | New York |
| State | NY |
| Country | US |
| Phone | +1.6094265291 |
| Fax | +1.6094265291 |
| NameServer | pdns85.ultradns.net |
| Created | 2000-06-08 21:53:21 |
| Changed | 2014-10-24 17:07:28 |
| Expires | 2015-06-08 00:00:00 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2020-02-23 | 13.227.43.104 (ClassC) |
| 2020-05-28 | 99.84.245.63 (ClassC) |
| 2020-05-28 | 99.84.245.113 (ClassC) |
| 2020-05-28 | 99.84.245.50 (ClassC) |
| 2020-06-12 | 99.84.174.53 (ClassC) |
| 2020-06-12 | 99.84.174.64 (ClassC) |
| 2020-07-30 | 99.84.170.14 (ClassC) |
| 2020-07-30 | 99.84.170.68 (ClassC) |
| 2020-07-30 | 99.84.170.7 (ClassC) |
| 2020-07-30 | 99.84.170.91 (ClassC) |
| 2020-11-01 | 13.249.138.125 (ClassC) |
| 2020-11-01 | 13.249.138.35 (ClassC) |
| 2021-05-29 | 13.225.222.48 (ClassC) |
| 2021-08-08 | 54.230.226.107 (ClassC) |
| 2022-01-06 | 99.84.173.96 (ClassC) |
| 2024-11-07 | 204.246.191.120 (ClassC) |
| 2024-11-21 | 3.163.24.15 (ClassC) |
| 2024-11-24 | 3.163.24.60 (ClassC) |
| 2024-12-27 | 204.246.191.62 (ClassC) |
| 2025-01-29 | 13.224.14.123 (ClassC) |
| 2025-07-26 | 204.246.191.28 (ClassC) |
| 2025-08-01 | 204.246.191.14 (ClassC) |
| 2025-08-25 | 3.163.24.72 (ClassC) |