Oct 23, 2019 - Mar 19, 2020
| Name | First Seen |
|---|
| Name | First Seen | Last Seen |
|---|---|---|
| ns1.pfizerus-mailer.com | Feb 18, 2020 | Mar 19, 2020 |
| ns2.pfizerus-mailer.com | Feb 18, 2020 | Mar 19, 2020 |
| ns1.iquantpromail.com | Oct 23, 2019 | Feb 28, 2020 |
| ns2.iquantpromail.com | Oct 23, 2019 | Feb 28, 2020 |