| 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 | NS76.DOMAINCONTROL.COM |
| Created | 2013-03-07 05:00:00 |
| Changed | 2015-07-07 18:46:35 |
| Expires | 2020-03-07 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2025-01-14 | 50.62.238.1 (ClassC) |