23.21.109.239
ec2-23-21-109-239.compute-1.amazonaws.com
52.203.99.183
ec2-52-203-99-183.compute-1.amazonaws.com
54.175.204.48
ec2-54-175-204-48.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.