107.22.40.108
ec2-107-22-40-108.compute-1.amazonaws.com
18.235.7.108
ec2-18-235-7-108.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.