dns-ext2.inria.fr has no MX records.
Question and response
Question
dig dns-ext2.inria.fr. MX
Answer
The response has no answer records.
Authority
inria.fr. 900 SOA dns.inria.fr. hostmaster.inria.fr. 2026022604 7200 1800 3600000 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0