| 18.192.231.252 |
| 18.192.94.96 |
| 3.125.36.175 |
| 3.70.101.28 |
| 3.72.140.173 |
| 3.75.10.80 |
| 35.156.224.161 |
| 50.18.215.94 |
| 52.58.254.253 |
| 52.9.166.110 |
| 10 in1-smtp.messagingengine.com. |
| 20 in2-smtp.messagingengine.com. |
| dns1.p05.nsone.net. |
| dns2.p05.nsone.net. |
| dns3.p05.nsone.net. |
| dns4.p05.nsone.net. |
| v=spf1 include:spf.messagingengine.com ?all |