23.21.176.181
ec2-23-21-176-181.compute-1.amazonaws.com
3.217.54.81
ec2-3-217-54-81.compute-1.amazonaws.com
54.84.41.112
ec2-54-84-41-112.compute-1.amazonaws.com

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