216.137.37.128
server-216-137-37-128.mrs52.r.cloudfront.net
216.137.37.19
server-216-137-37-19.mrs52.r.cloudfront.net
216.137.37.60
server-216-137-37-60.mrs52.r.cloudfront.net
216.137.37.84
server-216-137-37-84.mrs52.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.