52.222.196.104
server-52-222-196-104.cdg50.r.cloudfront.net
52.222.196.114
server-52-222-196-114.cdg50.r.cloudfront.net
52.222.196.58
server-52-222-196-58.cdg50.r.cloudfront.net
52.222.196.64
server-52-222-196-64.cdg50.r.cloudfront.net

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