52.45.248.61
ec2-52-45-248-61.compute-1.amazonaws.com
52.87.83.31
ec2-52-87-83-31.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.