107.23.199.12
ec2-107-23-199-12.compute-1.amazonaws.com
52.202.15.186
ec2-52-202-15-186.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.