107.21.50.80
ec2-107-21-50-80.compute-1.amazonaws.com
18.235.20.75
ec2-18-235-20-75.compute-1.amazonaws.com
44.198.144.172
ec2-44-198-144-172.compute-1.amazonaws.com

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