| Property | Value |
| Name | Houghton Mifflin Harcourt |
| Organization | Houghton Mifflin Harcourt |
| nameserv@hmhco.com | |
| Address | 222 Berkeley St. |
| Zip Code | 02116 |
| City | Boston |
| State | MA |
| Country | US |
| Phone | +1.6173515000 |
| NameServer | ds2.virtualscape.com |
| Created | 2000-03-28 15:10:10 |
| Changed | 2015-06-08 13:30:34 |
| Expires | 2018-03-28 15:10:10 |
| Registrar | Network Solutions, L |
| Date | IP Address |
| 2025-01-28 | 216.65.4.164 (ClassC) |