publicis-one.com has no MX records.
Question and response
Question
dig publicis-one.com. MX
Answer
The response has no answer records.
Authority
publicis-one.com. 900 SOA ns1.publicisgroupe.com. admin.publicis.fr. 12 10800 3600 2592000 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0