23.20.107.47
ec2-23-20-107-47.compute-1.amazonaws.com
34.231.189.198
ec2-34-231-189-198.compute-1.amazonaws.com
44.205.92.153
ec2-44-205-92-153.compute-1.amazonaws.com

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