| Property | Value |
| NameServer | NS08.DOMAINCONTROL.COM |
| Created | 2007-03-19 00:00:00 |
| Changed | 2015-07-03 00:00:00 |
| Expires | 2018-06-01 00:00:00 |
| Registrar | GODADDY.COM, LLC |
| Date | IP Address |
| 2013-07-10 | 199.83.131.48 (ClassC) |
| 2013-09-20 | 199.83.131.138 (ClassC) |
| 2013-10-10 | 66.228.50.98 (ClassC) |
| 2015-06-05 | 192.124.249.9 (ClassC) |
| 2020-09-12 | 172.64.164.4 (ClassC) |
| 2021-02-25 | 172.64.135.34 (ClassC) |
| 2025-12-08 | 172.67.189.180 (ClassC) |
| 2026-01-21 | 104.21.65.88 (ClassC) |
| Date | Domain | IP |
| worksheets.k12reader.com | 2015-02-28 | 54.230.6.156 |
| www.k12reader.com | 2013-09-20 | 199.83.131.138 |