23.73.0.31
a23-73-0-31.deploy.static.akamaitechnologies.com
23.73.0.51
a23-73-0-51.deploy.static.akamaitechnologies.com

2a02:26f0:6b::211:7030
2a02:26f0:6b::5f64:602a

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