13.224.205.29
server-13-224-205-29.phl50.r.cloudfront.net
13.224.205.4
server-13-224-205-4.phl50.r.cloudfront.net
13.224.205.57
server-13-224-205-57.phl50.r.cloudfront.net
13.224.205.85
server-13-224-205-85.phl50.r.cloudfront.net

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.
inbound-smtp.us-west-2.amazonaws.com.