Jul 18, 2012 - Jul 01, 2019
| Name | First Seen |
|---|
| Name | First Seen | Last Seen |
|---|---|---|
| ns1.happyteachers.net | Sep 16, 2014 | Jul 01, 2019 |
| ns2.happyteachers.net | Sep 16, 2014 | Jul 01, 2019 |
| ns1.millionschools.org | Aug 26, 2014 | Sep 01, 2018 |
| ns2.millionschools.org | Aug 26, 2014 | Sep 01, 2018 |
| ns2.sugarmathsworld.com | Feb 21, 2017 | Nov 02, 2017 |
| ns1.sugarmathsworld.com | Feb 21, 2017 | Nov 02, 2017 |
| ns1.smartur.com | Feb 19, 2017 | Nov 02, 2017 |
| ns2.millionschools.com | Feb 19, 2017 | Nov 02, 2017 |
| ns2.smartur.com | Feb 19, 2017 | Nov 02, 2017 |
| ns1.millionschools.com | Feb 19, 2017 | Nov 02, 2017 |
| ns1.smartur3d.com | Oct 22, 2013 | Nov 02, 2017 |
| ns2.smartur3d.com | Oct 22, 2013 | Nov 02, 2017 |
| ns1.smartur.com | Jul 18, 2012 | Mar 21, 2016 |
| ns2.smartur.com | Jul 18, 2012 | Mar 21, 2016 |