100.25.61.45
ec2-100-25-61-45.compute-1.amazonaws.com
18.233.251.121
ec2-18-233-251-121.compute-1.amazonaws.com
52.6.79.81
ec2-52-6-79-81.compute-1.amazonaws.com

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