23.20.108.123
ec2-23-20-108-123.compute-1.amazonaws.com
34.196.63.52
ec2-34-196-63-52.compute-1.amazonaws.com
54.146.203.44
ec2-54-146-203-44.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.