52.202.207.18
ec2-52-202-207-18.compute-1.amazonaws.com
54.173.221.71
ec2-54-173-221-71.compute-1.amazonaws.com

2600:1f18:c8a:5f01:31:d0d2:16ed:dfa2
2600:1f18:c8a:5f03:d065:b777:61dd:6bca

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