18.239.183.100
server-18-239-183-100.bos50.r.cloudfront.net
18.239.183.43
server-18-239-183-43.bos50.r.cloudfront.net
18.239.183.49
server-18-239-183-49.bos50.r.cloudfront.net
18.239.183.55
server-18-239-183-55.bos50.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.