3.90.117.176
ec2-3-90-117-176.compute-1.amazonaws.com
52.87.141.123
ec2-52-87-141-123.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.