52.52.84.120
ec2-52-52-84-120.us-west-1.compute.amazonaws.com
54.219.230.168
ec2-54-219-230-168.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.