107.21.103.253
ec2-107-21-103-253.compute-1.amazonaws.com
3.237.58.102
ec2-3-237-58-102.compute-1.amazonaws.com

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