13.32.207.127
server-13-32-207-127.iad66.r.cloudfront.net
13.32.207.74
server-13-32-207-74.iad66.r.cloudfront.net
13.32.207.78
server-13-32-207-78.iad66.r.cloudfront.net
13.32.207.99
server-13-32-207-99.iad66.r.cloudfront.net

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