13.226.14.108
server-13-226-14-108.ord51.r.cloudfront.net
13.226.14.18
server-13-226-14-18.ord51.r.cloudfront.net
13.226.14.21
server-13-226-14-21.ord51.r.cloudfront.net
13.226.14.50
server-13-226-14-50.ord51.r.cloudfront.net

alt2.aspmx.i.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.i.google.com.
atl1.aspmx.i.google.com.