mx1.mcra.fr has no MX records.
Question and response
Question
dig mx1.mcra.fr. MX
Answer
The response has no answer records.
Authority
mcra.fr. 600 SOA ns0.mcra.fr. system.ml.mcra.fr. 2026021600 3600 900 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0