34.204.212.175
ec2-34-204-212-175.compute-1.amazonaws.com
35.174.175.199
ec2-35-174-175-199.compute-1.amazonaws.com
52.44.211.30
ec2-52-44-211-30.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.
inbound-smtp.us-east-1.amazonaws.com.