23.222.79.144
a23-222-79-144.deploy.static.akamaitechnologies.com
23.222.79.216
a23-222-79-216.deploy.static.akamaitechnologies.com
35.227.251.205
205.251.227.35.bc.googleusercontent.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.