| Comodo |
| United States |
| www.duck-sung.co.kr
j.duck-sung.co.kr
www.educksung.com
www.xn--989az0aba240q.com
www.ducksung.co.kr
www.ducksungbook.com |
| Seoul Deokseong Institute of Technology |
| Unvalid |
| Korea Corporation Security |
| 2021-07-07 09:00:00 |
| 2022-06-20 08:59:59 |
|