23.44.51.177
a23-44-51-177.deploy.static.akamaitechnologies.com
23.44.51.226
a23-44-51-226.deploy.static.akamaitechnologies.com

2600:140b:1:1::170f:e4a
2600:140b:1:1::170f:e59

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