3.225.7.139
ec2-3-225-7-139.compute-1.amazonaws.com
34.234.247.153
ec2-34-234-247-153.compute-1.amazonaws.com
52.205.139.193
ec2-52-205-139-193.compute-1.amazonaws.com
54.236.237.229
ec2-54-236-237-229.compute-1.amazonaws.com

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