172.64.134.31
172.64.135.31

2606:4700:e2::ac40:861f
2606:4700:e2::ac40:871f

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.
inbound-smtp.us-west-2.amazonaws.com.