23.199.165.173
a23-199-165-173.deploy.static.akamaitechnologies.com

2600:1407:3c00:c84::2942
2600:1407:3c00:c85::2942

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.