107.21.12.107
ec2-107-21-12-107.compute-1.amazonaws.com
107.21.164.165
ec2-107-21-164-165.compute-1.amazonaws.com
3.211.254.146
ec2-3-211-254-146.compute-1.amazonaws.com
34.225.101.217
ec2-34-225-101-217.compute-1.amazonaws.com
34.239.13.53
ec2-34-239-13-53.compute-1.amazonaws.com

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