ns2.registre.ma has no MX records.
Question and response
Question
dig ns2.registre.ma. MX
Answer
The response has no answer records.
Authority
registre.ma. 900 SOA ns3.registre.ma. ma.anrt.ma. 58 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0