52.53.104.241
ec2-52-53-104-241.us-west-1.compute.amazonaws.com
52.53.69.92
ec2-52-53-69-92.us-west-1.compute.amazonaws.com

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