| 160.153.0.19 |
| 0 mail.greenbrierhumane.com. |
| 0 mx1-usg1.ppe-hosted.com. |
| 0 mx2-usg1.ppe-hosted.com. |
| 0 mx3-usg1.ppe-hosted.com. |
| ns37.domaincontrol.com. |
| ns38.domaincontrol.com. |
| netorg17514243.onmicrosoft.com |
| v=spf1 a mx ptr include:secureserver.net ~all |
| v=spf1 include:_spf-usg1.ppe-hosted.com include:secureserver.net ~all |