23.21.25.78
ec2-23-21-25-78.compute-1.amazonaws.com
3.223.159.165
ec2-3-223-159-165.compute-1.amazonaws.com
35.172.77.133
ec2-35-172-77-133.compute-1.amazonaws.com

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