107.23.171.132
ec2-107-23-171-132.compute-1.amazonaws.com
52.203.170.72
ec2-52-203-170-72.compute-1.amazonaws.com

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