23.23.72.212
ec2-23-23-72-212.compute-1.amazonaws.com
50.19.122.234
ec2-50-19-122-234.compute-1.amazonaws.com
54.225.157.173
ec2-54-225-157-173.compute-1.amazonaws.com
54.243.86.144
ec2-54-243-86-144.compute-1.amazonaws.com

2406:da00:ff00::1717:48d4
2406:da00:ff00::3213:7aea
2406:da00:ff00::36e1:9dad
2406:da00:ff00::36f3:5690

mailstore1.secureserver.net.
smtp.secureserver.net.