3.226.153.245
ec2-3-226-153-245.compute-1.amazonaws.com
52.1.255.31
ec2-52-1-255-31.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.