Jun 15, 2018 - Jan 11, 2019
| Name | First Seen |
|---|
| Name | First Seen | Last Seen |
|---|---|---|
| ns2.textbookbrokers.org | Jun 23, 2018 | Jan 11, 2019 |
| ns1.textbookbrokers.org | Jun 23, 2018 | Jan 11, 2019 |
| ns1.puertoricodatabase.net | Jun 15, 2018 | Jun 19, 2018 |
| ns2.puertoricodatabase.net | Jun 15, 2018 | Jun 19, 2018 |