184.25.117.144
a184-25-117-144.deploy.static.akamaitechnologies.com
184.25.117.177
a184-25-117-177.deploy.static.akamaitechnologies.com

2600:1407:a800::1738:a90a
2600:1407:a800::1738:a911
2600:1407:a800::1738:a931
2600:1407:a800::1738:a942
2600:1407:a800::1738:a959

us-smtp-inbound-1.mimecast.com.
us-smtp-inbound-2.mimecast.com.