23.44.51.122
a23-44-51-122.deploy.static.akamaitechnologies.com
23.44.51.187
a23-44-51-187.deploy.static.akamaitechnologies.com

2600:140b:1::6007:f858
2600:140b:1::6007:fb45

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.