3.224.140.194
ec2-3-224-140-194.compute-1.amazonaws.com
52.21.165.180
ec2-52-21-165-180.compute-1.amazonaws.com
52.44.15.99
ec2-52-44-15-99.compute-1.amazonaws.com

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