107.23.230.20
ec2-107-23-230-20.compute-1.amazonaws.com
52.22.154.50
ec2-52-22-154-50.compute-1.amazonaws.com
54.146.253.76
ec2-54-146-253-76.compute-1.amazonaws.com

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