35.153.115.255
ec2-35-153-115-255.compute-1.amazonaws.com
44.194.115.115
ec2-44-194-115-115.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.