| Property | Value |
| Location | Kisa, Korea, Republic of |
| Country | Korea, Republic of |
| Domain | Date |
| ileaderschool.com | 2019-02-13 |
| www.ileaderschool.com | 2019-02-13 |
| iyagidodook.co.kr | 2018-09-08 |
| print.ibookland.com | 2018-07-02 |
| lms.ibookland.com | 2018-05-05 |
| iyagidodook.com | 2015-12-21 |
| iyagidodook.net | 2015-12-21 |
| recruit.ibookland.com | 2013-09-11 |
| ibookland.com | 2013-06-01 |