52.206.3.105
ec2-52-206-3-105.compute-1.amazonaws.com
52.86.133.239
ec2-52-86-133-239.compute-1.amazonaws.com

2600:1f18:41b4:d200:cd7f:3fc0:cd5e:2e2a
2600:1f18:41b4:d204:b719:f484:60d:2dc8

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