3.89.52.240
ec2-3-89-52-240.compute-1.amazonaws.com
52.204.165.179
ec2-52-204-165-179.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.