| Property | Value |
| Name | Holtzbrinck Publishers, LLC |
| Organization | Macmillan |
| network.engineers@macmillanusa.com | |
| Address | 175 5th avenue |
| Zip Code | 10010 |
| City | NEW YORK |
| State | NY |
| Country | US |
| Phone | +1.6463075777 |
| NameServer | NS1.MACMILLANUSA.COM |
| Created | 1999-03-19 05:00:00 |
| Changed | 2015-02-17 20:54:46 |
| Expires | 2018-03-19 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2024-04-19 | 52.20.149.219 (ClassC) |
| 2024-07-28 | 52.202.179.136 (ClassC) |
| 2025-04-12 | 44.205.127.242 (ClassC) |
| 2025-05-12 | 54.227.199.136 (ClassC) |