noname.nameshield.net has no MX records.
Question and response
Question
dig noname.nameshield.net. MX
Answer
The response has no answer records.
Authority
nameshield.net. 7200 SOA nsa.perf1.fr. technical.nameshield.net. 2026021901 10800 3600 604800 7200
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0