Apr 20, 2017 - Apr 04, 2018
| Name | First Seen |
|---|
| Name | First Seen | Last Seen |
|---|---|---|
| ns2.journal4research7.com | May 21, 2017 | Apr 04, 2018 |
| ns1.journal4research7.com | May 21, 2017 | Apr 04, 2018 |
| ns1.sciencedomainess.com | Apr 20, 2017 | Dec 18, 2017 |
| ns2.sciencedomainess.com | Apr 20, 2017 | Dec 18, 2017 |